Are JPGs really worse? Don't believe these photography myths (Picture This! Podcast)

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Tony & Chelsea Northrup

Tony & Chelsea Northrup

Күн бұрын

Our sponsor: squarespace.com/Chelsea coupon 'chelsea'
Chelsea & Tony cover 12 photography urban legends that people actually believe... chances are good that you believe at least one of them! We cover:
1. Should you fully discharge your battery to avoid a memory effect?
2. Will deleting pictures in-camera corrupt your SD card?
3. Do UV filters really improve image quality?
4. Do higher megapixels really equal more noise?
5. Do medium format cameras really have better "compression"?
6. Is raw processing really better on your PC than in your camera?
7. Can you edit JPGs?
8. Do you really need to turn off image stabilization on a tripod?
9. Are lenses really sharpest at the f/8 "sweet spot"?
10. Is manual focus more accurate?
11. Does Canon really have the best color science?
12. Are memory card failures caused by bad brands or user error?
You can watch this video on KZfaq or just listen to the "Picture This Photography Podcast" in your favorite podcast app. LINKS to popular podcasting apps: sdp.io/podcast
Music provided by affiliate: share.epidemicsound.com/Tony

Пікірлер: 1 200
@billmatlock893
@billmatlock893 5 жыл бұрын
Starting a crowd funding drive to buy a light for Chelsea
@mikefire_amsterdam
@mikefire_amsterdam 4 жыл бұрын
spot on! ....get it? spot. on.
@MillionHuesStudios
@MillionHuesStudios 4 жыл бұрын
LOL
@mattiejane9628
@mattiejane9628 3 жыл бұрын
If only we could get a crowdfund going to get you some original jokes...
@dinmavric5504
@dinmavric5504 3 жыл бұрын
@@mattiejane9628 yOUR Mother
@sr-ey4xq
@sr-ey4xq 3 жыл бұрын
@@dinmavric5504that cracks me up
@QualityFrogBS
@QualityFrogBS 4 жыл бұрын
"Don't delete pictures in camera." I had never thought of this as being something done to avoid buggy software in cameras. This is rooted in the tiny poor quality displays on early digital cameras. I learned to not delete photos in camera because what appear to be bad photos not worth keeping may look better once viewed on a larger screen. Even photos that don't result in what was intended may be interesting once viewed on a better screen. This rule of thumb was about avoiding discarding images that might be valuable. If in doubt about whether a photo is trash or a keeper, don't delete in camera. Wait until the image can be viewed on a larger screen. As in-camera displays and user interfaces have improved, this rule has become less important to me, but I still consider whether I might see something making the photo worth keeping if I were to view it on a larger screen.
@Shreddelicious
@Shreddelicious 4 жыл бұрын
this is so true and becomes more true as my eyes deteriorate over the years.
@PrimeMatt
@PrimeMatt 3 жыл бұрын
This is very true, but some photos are clearly poor, subject blinking etc, so I find it quicker to get rid of those before going through the rest in more detail.
@alexpoling4755
@alexpoling4755 3 жыл бұрын
This is what I had heard too!
@Voliere-infoNl
@Voliere-infoNl 3 жыл бұрын
Even an A7 III still has a 640x480 pixel screen ;)
@tommynikon2283
@tommynikon2283 2 жыл бұрын
I've always done it, and NEVER have had an issue doing so. Since 2005. HOWEVER, I have had a laptop, two external HDs, and a handful of USB sticks die on me during the same time period. Oh, and two camera digital shutters.
@EverythingIsPhotogenic
@EverythingIsPhotogenic 5 жыл бұрын
I think the key to busting the myths is knowing your capabilities and equipment. Being crippled by arbitrary "rules" will keep people from growing in photography. Photographers, especially amateurs, should just go out and push the limits of their equipment and learn what works and what doesn't work in conjunction with some cursory research. You guys do a great job of diluting so much of that information and making it easily searchable and consumable for those who need answers or even need to know where to start. The fact that you offer so much value and such a large portion of your content library for free is such a great contribution to the community and despite the nitpickers in the comments, the amount of attention and research you both apply to making your content is clearly evident. I enjoy your variety of content and look forward to hearing you weigh in on photography topics especially when it comes to the ever shifting paradigms in the technology we use.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
Yep, there's a bunch of rules that made sense at the time, but less so over time.
@davincifpv3983
@davincifpv3983 5 жыл бұрын
Great video Format!! You guys should cover "Myths" more often.
@stevehall1218
@stevehall1218 5 жыл бұрын
I use an IV filter as protection for my lens glass. I know the difference between using one and not is minimal but a scratch on the lens glass can be expensive.
@christopherjc54
@christopherjc54 2 жыл бұрын
UV*
@arthurgphotography
@arthurgphotography 2 жыл бұрын
Nooooooo
@joeep46
@joeep46 4 ай бұрын
Since Tony showed how durable lens glass is, I stopped using UV filters.
@matthewneale6537
@matthewneale6537 5 жыл бұрын
As a portrait and wedding photographer, I've always used f8 for depth of field, not as a lens sweet spot. F8 usually gives me enough depth of field to keep groups in focus front to back, while letting the background go out of focus enough to not compete with the subject.
@AdamJonesPhoto
@AdamJonesPhoto 2 жыл бұрын
Ah someone using it correctly not just for the sake of it. Well done Sir.
@sunkissedbeach
@sunkissedbeach 5 жыл бұрын
Thanks guys, I really enjoyed this video it’s amazing all of these urban legends and old wives tales! So sharpness is subjective!
@jamilgotcher5456
@jamilgotcher5456 5 жыл бұрын
I get that old wives tales is a saying but in photography it was most likely "old husbands tales" being that men dominated the field for most of the history of photography.
@jonbarnard7186
@jonbarnard7186 5 жыл бұрын
LOL. I remember editing jpegs years ago in PS and having them practically disappear from multiple compressions. They got smaller every time I hit save.
@JetBen555
@JetBen555 5 жыл бұрын
Tony: Ever heard of people say the 3D POP? Chelsea: I don't talk to people who say that 😂😂😂
@brahmabeharrysingh5287
@brahmabeharrysingh5287 5 жыл бұрын
Actually, I get "3D Pop". I only really observed it when I started looking at my work on a 4k monitor or small HD tablet screens (where the pixel density is high). And I only get it from certain lenses (primes and Nano coated it seems so far).
@JetBen555
@JetBen555 5 жыл бұрын
@@brahmabeharrysingh5287 shhhhh
@philindeblanc
@philindeblanc 5 жыл бұрын
@@brahmabeharrysingh5287 try a sensor without AA filter, it will happen more often. Then you can go to the lens for the reason.
@brahmabeharrysingh5287
@brahmabeharrysingh5287 5 жыл бұрын
@@philindeblanc I know this already. I only buy cameras without the AA filter. With good glass I get the Pop like 99% of the time. I'm guessing it's only a few of us who know these things.
@officialtiimo
@officialtiimo 5 жыл бұрын
Same though
@creekwalker660
@creekwalker660 5 жыл бұрын
1:38 - Nickel Metal Hydride batteries aren't really obsolete tech (check your Eneloop batteries) and don't have much of a memory effect......the one you MAY be thinking about is Nickel Cadmium. I'll totally agree if you're saying NiCad batteries are obsolete junk.
@nollpa2696
@nollpa2696 5 жыл бұрын
I agree, I use Ni-MH in my flashes, triggers and and other devices I attach to my camera.
@MossgateJournals
@MossgateJournals 5 жыл бұрын
Thanks for mentioning that. I use Eneloops because of the memory issue.
@AllahBoinkedMe
@AllahBoinkedMe 5 жыл бұрын
@Creek Walker → 100%
@ironworkscrawley
@ironworkscrawley 5 жыл бұрын
lol Ni Cad batteries, i remember my uncle having a de charging rig for old nicads, a vey low wattage bulb with to wires soldered on, so you could contect to pwer terminal on battery and leave to discharge over night
@note5camera
@note5camera 5 жыл бұрын
if you shoot jpegs, you can't wear a t-shirt that says "I shoot raw".
@bog2k3
@bog2k3 5 жыл бұрын
but I shoot raw JPEGs, then I cook them.
@philindeblanc
@philindeblanc 5 жыл бұрын
@@bog2k3 Made me think of a great T-Shirt Idea, and let it be public record here as copyright, and decleration of ownership....."I Cook Raw" , and "Always Cook your raw", and !! :-)
@bog2k3
@bog2k3 5 жыл бұрын
@@philindeblanc haha, good one!
@bog2k3
@bog2k3 5 жыл бұрын
@N. D. Crispy highlights are not all that bad
@philindeblanc
@philindeblanc 5 жыл бұрын
@@bog2k3 I like that ..Crispy Highlights... from Raw
@dansatMaryland
@dansatMaryland 4 жыл бұрын
One of your most informative podcasts ever. Having a science background, I really appreciate Tony’s way of looking at things. Feynman was right : “Science is what we do to keep from lying to ourselves”!
@donstravelsandrants.
@donstravelsandrants. 5 жыл бұрын
The podcasts are really, really interesting. Love them.
@danev1969
@danev1969 5 жыл бұрын
Thanks again. Like most long term photographers, it is hard to let go of beliefs that were true in the past but technology caught up and fixed...
@stevenunfreid3944
@stevenunfreid3944 3 жыл бұрын
Thanks you guys for all the help. I got back into photography largely in part because of watching your videos. Especially with your review of Sony A600, which is what I ended up buying. I picked up the 18-135 lens for this camera and now love the size and capability that this combo gives me. Also, I like how you support each other as a couple--very rare these days--very honoring.
@dmphotography.prints
@dmphotography.prints 5 жыл бұрын
Fantastic Podcast @Tony @Chelsea !!! Love how you broke all these myths down; gonna have to listen to this one twice!
@alanstanway6118
@alanstanway6118 5 жыл бұрын
The only reason I ever told my learners never to delete images in camera was purely because you can never see enough detail to make that decision based on the LCD which in early days was WAY too small
@LaurentBourrelly
@LaurentBourrelly 5 жыл бұрын
I stopped deleting pictures in camera after 2 memory cards failures. After talking to a friend who works in the hard drive industry, I confirmed it's a really bad idea to delete your pictures in camera. It appears cameras are not so good at dealing with such operations as computers. Of course, It mostly works of course, but the risk still exists.
@jamespulver3890
@jamespulver3890 5 жыл бұрын
@@LaurentBourrelly I think you were just coincidentally unlucky. That sort of delete breaking a card where adding (which does a lot more than a delete does) does not seem plausible. Tony explained this - a delete is literally removing a "table of contents" entry. This is why you can recover deleted files. So unless your cards were fully usable when they "failed" and you just didn't know to grab a free file recovery software to get back any "lost files" - the failure was unrelated to deletion. In fact, the only thing I can see about deleting a lot of files selectively is just that a computer has a better UI for this.
@jeriex
@jeriex 5 жыл бұрын
When you shoot e.g. birds in flight, you delete mostly not because of minute details but because you do not have the object in frame properly. So I definitely delete in camera.
@scotttovey
@scotttovey 4 жыл бұрын
@@jamespulver3890 Both your's and Tony's presumption is wrong. Tony is correct in noting that the delete is simply marking out a line in the drives table of contents, but he is wrong in stating that it cannot cause whole drive data loss as it can. You must keep in mind that computers have drivers that have been tweaked and improved over a period of years to make them better. If a camera's firmware has a bug in it, and that bug is related to writing deletions to the card's table of contents, then; you have a good chance of loosing everything on the card when you delete files with the camera. And unlike the updates received with a computer operating system, the odds are that the firmware on a camera never gets updated. I have a Canon IIS 20sx I purchased back in 2010. It has never received a firmware update. I also have an off brand Camcorder that has had issues with connecting to the PC. There were many posts regarding this issue. It has never received a firmware update from the manufacturer and of course, the camera fails to connect to the PC. I think it may be a 32bit verses 64bit issue. I view tech from a programmers perspective and I know for a fact that if a program has a bug in it, that bug will remain until the programmer edits the code and removes that bug. So, while loosing the whole card of images is less likely with newer cameras, do not put that much trust in those older cameras that have a reputation of crashing the card when you delete a file in camera. The best way to remove files from the card and guard against loss is to first copy them to a computer or other non camera storage device, and then delete the files from the card. Memory cards have a certain number of read and writes and you are likely to reach the read limit before you reach the write limit. Thus, if you copy the data from your card to your computer, and you suddenly find that you no longer read the card with your computer, you have retrieved your data at the end of the card's life cycle and have not lost data. (You saved your data and Happy are you!) You will also know at that point, the card is useless.
@wapicke
@wapicke 4 жыл бұрын
I never rely on the LCD in making that decision. But that is a personal choice, not a hardware influenced choice.
@captainawasome8985
@captainawasome8985 5 жыл бұрын
F8 sweet spot? - Don't know and don't care, I bought an F1.4 to use wide open!
@Taykorjg
@Taykorjg 5 жыл бұрын
CaptainAwasome there’s a time and place to shoot all out
@stephenarling1667
@stephenarling1667 5 жыл бұрын
Stanley Kubrick shot a movie at f:0.7
@captainawasome8985
@captainawasome8985 5 жыл бұрын
@@stephenarling1667 There is a F0.85 lens compatible with the Sony crop sensor. Kipon Ibelux or Handevision Ibelux - but it's hard to get them and they're pricey. Not that great bokeh though at that premium price.
@masterrickknight
@masterrickknight 5 жыл бұрын
CaptainAwasome.... I love your comment. So funny. I don't own a camera so everything is always in focus.
@nordic5490
@nordic5490 5 жыл бұрын
CaptainAwasome amateur. My 85mm F1.2 has crazy tight dof and is pretty much unusable for portraits @ F1.2.
@douglasmiller6866
@douglasmiller6866 5 жыл бұрын
You guys have brought the fun of photography back to me as I refresh and learn. Thanks ! I don't miss a podcast on youtube.
@realfolkfan9421
@realfolkfan9421 5 жыл бұрын
you guys are doing great work. you are miles ahead of any body else and i always find answers of the burning questions. The camera processed JPEGs , Stabilization on tripod and how to charge batteries where the questions bothering me. Everything else covered was also equally useful. keep up the great work guys.
@NoESanity
@NoESanity 5 жыл бұрын
10, this one really depends. if you're trying to take a picture of something specific and your auto focus keeps trying to grab the wrong things to focus on, the auto focus is worthless. (even if you only use 1 focal point) at the same time if your vision isn't 20/20 and you don't have the right diopter settings, you're never gong to be able to focus for anything because you physically won't be able to see.
@TheHellis
@TheHellis 5 жыл бұрын
The "myth" about MPix vs noise. You don't think there is more to it than that? With newer sensors you get newer technology and probably lower power usage.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
It's complicated, but it's a belief that turned out to underestimate the ability of the engineers to come up with new ways of reducing noise. With additional heat, power, closer photosites and increased sensitivity, noise should increase; but along with that there were new advancements in technology to fight the noise. The increase in noise doesn't seem to have kept pace with the rate at which new pixels were added to the arrays.
@ferrarif430lover
@ferrarif430lover 2 жыл бұрын
You two are awesome and I love this episode! You explained all those urban legends that are as rampant as ever 2 1/2 years after you made this video, and how they started and why. I especially appreciate, in all your episodes, your calm, rational, get to the point explanations! For 37 years I've used nothing but Nikon and their lenses and this video justified what the engineer in me was thinking! Thanks guys!!
@jdanishevsky1
@jdanishevsky1 3 жыл бұрын
Very interesting and informative. Great break down and I do hear some of the myths a lot, usually from people who talk and don't shoot, so thank you for clarifying them and breaking them down.
@didimiorios3781
@didimiorios3781 5 жыл бұрын
Greetings, I'm from Puerto Rico and I don't miss your programs. Interesting topic of photographic myths, even I thought some of them were true. I want to take this opportunity to thank you for the help you gave us, when Hurricane Maria damaged us. Truly thank you, God bless you always.
@youuuuuuuuuuutube
@youuuuuuuuuuutube 5 жыл бұрын
On the subject of "Sharpness vs microcontrast": The sharpness can be divided into "acutance" (=macrocontrast, but nobody uses that term) and "resolution" (=microcontrast). If you look at the MTF charts for lenses, the 10lp/mm would represent the acutance, and the 50lp/mm the resolution/microcontrast. Another way to look at it would be edges vs textures, the edge sharpness = acutance, the texture detail = microcontrast. Yet another way to look at it ... if a lens has a good acutance but bad microcontrast, it means you won't get more detail by using a higher resolution sensor, and it also means that if you want a lens to resolve a lot of MP, you want it to have a good microcontrast. If you want to visualize examples => take any image, and boost the sharpness in Lightroom, well, you're boosting the acutance, but not the microcontrast, because you're not getting more details.
@manphoto1972
@manphoto1972 5 жыл бұрын
Thank's !
@GaIvatr0n
@GaIvatr0n 5 жыл бұрын
Ding ding ding, we have a winner. Thanks.
@cobyst10
@cobyst10 5 жыл бұрын
Love your channel! I enjoyed this podcast. Thank you!
@michaeltucker7920
@michaeltucker7920 5 жыл бұрын
I really enjoyed this as my 1st ever podcast and will now subscribe ! I feel like you covered the topics well and accurately and without bias... And because of the no nonsense way she described SQUARESPACE, I am about to start my free trial and can't wait ! I am by no means a pro but take my hobby very seriously and feel you both do as well ! thanks
@grandetaco4416
@grandetaco4416 5 жыл бұрын
Back in the 80s and 90s I would have been a purist about manual focus, but as I get older and my eye sight isn't what it used to be I'm all about auto-focus.
@fixitrod4969
@fixitrod4969 5 жыл бұрын
Manual focus used to be much easier with half circles in the lens in that would line up when in focus. We've lost that. Knowing when it's in focus is tough now especially with these high megapixel cameras that show everything.
@jonrolfson1686
@jonrolfson1686 5 жыл бұрын
Those little half-circle (ground-glass?) focus tools were great in 1970. when my eyes were only 18 years old. Very nearly fifty years since, and after cataract surgery, effective auto-focus is the sine qua non, the development that allows me to keep using the camera.
@edwinparker6732
@edwinparker6732 5 жыл бұрын
My manual focus lenses are really crap when set to autofocus 😢
@kevindiaz3459
@kevindiaz3459 5 жыл бұрын
@@fixitrod4969 There's focus peaking now. Not in all cameras, but I think it will be someday not too far in the future. It's pretty awesome.
@MiaHessMusic
@MiaHessMusic 5 жыл бұрын
I have a vision impairment I love autofocus
@shlawchablaas
@shlawchablaas 5 жыл бұрын
If you have ever tried to seriously change white balance after shooting JPGs, like for example correcting a tungsten-balanced room that was shot with a Daylight WB mode in-camera, it will be clear how much less color data is contained in JPG files vs. RAW. Yes, of course you can and sometimes should edit JPGs, but for certain edits you do lose image quality compared to editing RAW.
@jotabe1984
@jotabe1984 5 жыл бұрын
not only that but correcting exposure and light... The matter is that JPEG is a decent end format but it is a limited format on intermediate files who still need to be polished
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
Also, if you're blowing anything up to close to the 100% level, JPG will have these weird patterns where there should be smooth tones due to the way that the compression format arranges everything into a grid and averages them out. Admittedly, with modern camera resolutions being so high, that's not as likely as it was decades ago. That being said, I do think that most of the time the JPG that comes out of the camera is perfectly sensible, I just think that it's foolish to not shoot RAW. You can usually set the camera to also store a JPG immediately if you like, but don't always know when you're going to need to do some substantial tweaks that a JPG just does not have the necessary information to allow for.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
@@jotabe1984 It's regrettable that we still use JPG, there are far better options for images these days, It's kind of a shame that JPG2000 never caught on.
@1oldman4u2
@1oldman4u2 2 жыл бұрын
I take wildlife photos (birds mostly) and it is amazing how many empty tree branches I wind up with. I always try to delete these in camera because I hate wasting time downloading them and then deleting them on my PC. I have deleted literally thousands of photos in camera from the same memory card and it has not affected the performance of my cards yet.
@peridot180
@peridot180 3 жыл бұрын
Super useful information. Thank you for this video! I learned a lot.
@MrNYCman530
@MrNYCman530 5 жыл бұрын
Don't let Jared Polin hear you say that about JPGs.
@AmishGramish
@AmishGramish 4 жыл бұрын
Afro Knows Aphrotos?
@MtRevDr
@MtRevDr 2 жыл бұрын
Perhaps Jared likes to play with post production more and he has the time to do that.
@KarrGalaxyStudios
@KarrGalaxyStudios 5 жыл бұрын
Tony: "How's the 3D Pop?" Me: Great and the chips aren't bad either! 😂 Great episode guys!
@thomashakiel1344
@thomashakiel1344 2 жыл бұрын
A lot of great information in this video. Thanks always for helping me improve my work.
@vinstyles
@vinstyles 4 жыл бұрын
Thanks Chelsea and Tony. These vids are fab and I just love them. Greetings from Dublin, Ireland. Thank you for all the vids.
@fredguerin2674
@fredguerin2674 5 жыл бұрын
i like this ! thank you ! I don't care about sweet spot :) Aperture is a creative and technical parameter to control exposure and depth of field.
@weedanwine
@weedanwine 5 жыл бұрын
I never thought the deleting in camera would be an issue, until I read an article from Jeff Cable who worked at Lexar, who advised against it. He strongly seems to think it's an issue, but given I've never worked with camera O/S on that level I have no idea.
@edwinparker6732
@edwinparker6732 5 жыл бұрын
I remember deleting files in camera and then having issues that weren't solved until I formatted the memory card, but it's so long ago I don't remember the camera or type of card. No digital data storage is entirely glitch free and a card which suddenly can't be read by the camera can usually be read by a PC using data retrieval software if necessary - always take spare cards 🙂
@okaro6595
@okaro6595 5 жыл бұрын
The problem in deleting in camera is that there is not waste basket so if you delete something you should not have you need to put the card in the side and use another and then try to recover with a computer. If you do not have a second card you are in trouble.
@tonylouisvisionvideography3469
@tonylouisvisionvideography3469 5 жыл бұрын
This is one classy channel. Full of very useful information. Thanks for sharing
@leonbrooke5587
@leonbrooke5587 5 жыл бұрын
I realised recently the reason I thought f8 was better than wide open was that a lot of my wide-open pictures weren't in focus. The ones that are look great - the only difference is that at f8 a lot more is in focus
@JeffandLeslie
@JeffandLeslie 5 жыл бұрын
Tony, when Chelsea said she was a horrible cook, you should have jumped in and disagreed with her. Don't ask me how I know these things.
@brois841
@brois841 5 жыл бұрын
Disagreeing with your wife? Not good. Don't ask me how I know these things. You can't win ;)
@Film_Fog
@Film_Fog 5 жыл бұрын
How do you know these things?
@chelseanorthrup8787
@chelseanorthrup8787 5 жыл бұрын
Haha! You’re sweet, but I don’t really try to cook so it’s fine.
@JeffandLeslie
@JeffandLeslie 5 жыл бұрын
:)
@franzbodmer7666
@franzbodmer7666 5 жыл бұрын
@@chelseanorthrup8787 So there is another reason Tony is so thin. Thought I had it all figured out :-)
@kevingaukel4950
@kevingaukel4950 3 жыл бұрын
Even if the higher-resolution has "more noise", I would be happy to trade that for the higher resolution of the photo which gives you more freedom to "work" the photo.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
It's complicated. Size of the sensor, size of the micro lenses, insulation between photosites and the like do have an impact. But, a higher resolution camera also allows you to do things like reduce the size to get an average of the pixels. For example, if you decrease the size to 1/4 (1/2 in both directions) now you've got 4 pixels being averaged into one pixel, which can significantly reduce the noise in the final image.
@replaylounge
@replaylounge 5 жыл бұрын
Hi Tony and Chelsea. i have off topic question... please give me some advice... when i edit my photos in lightroom ( usualy i am correcting Contrast brightness and shadow) its seems ok in my computer... but when i transfer to photos other computer to send customer its seems different color and i checked with my celullars (2 different ) İ phone X and Asus zenfone 5 also look diffent color. which one i will trust (consider) ??? please give some advise.. thank you in advance....
@joelwolski
@joelwolski 5 жыл бұрын
As for SD card failure; I'm an enthusiast photographer and used the same couple SD cards for 12 years without ever having any issues. Then I took your guys' good advice (and that's a sincere good, not a sarcastic one) to get extra cards to stash around for that "just in case" moment. I figured after so long I must be due for a failure of some kind. I picked up a 5-pack of 16GB SanDisk SDHC cards for $31 and now I am CONSTANTLY getting error messages of one kind or another. I'll turn it on and it won't see the card at all, or it won't be able to read an image I just took, or it won't allow me to zoom on an image it's currently showing me, or it will tell me it can't write to the card, or it will seem like it's writing but then nothing is there. If I shot a lot and it happened a lot, that would be one thing, but I shoot maybe a couple hundred images once a week and it happens at least once during each outing. Very disappointing. I suspect that the reason these "name brand" cards were so cheap was that they are either counterfeit or rejects that didn't pass QC but got sold anyway. Just goes to show that there is a difference between "cheap" and "crap". Buyer beware. I'll probably be retiring those cards for strictly emergency use and get another "inexpensive" card for my main shooting.
@PeterBrockie
@PeterBrockie 5 жыл бұрын
Agreed on the UV filters, the only thing to really be aware of is that many lenses (some Canon L models for sure, not sure about others) require a front filter to be weather sealed. At least older ones, they might have changed it on modern lenses.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
The reason to buy one is as a method of lessening the risk of damaging the lens coatings. But, if you're careful, you don't really need it, it serves no purpose at this point.
@djp_video
@djp_video 5 жыл бұрын
Many photographers mistake compression for shallow depth of field. They often use the term to describe a blurred background, which is incorrect.
@sbg949
@sbg949 5 жыл бұрын
Chelsea and Tony always a pleasure. I enjoy your videos. They are very informative and well done.
@19Murad77
@19Murad77 5 жыл бұрын
I have a question about image stabilization on a tripod. I'm using a sigma 150-600mm Contemporary and the manual clearly states that IS should be off on a tripod. I very rarely use my actual tripod but if I put my camera on a tree stump for instance, it comes to the same, right? I actually often rest the elbow of the arm holding my lens on a knee for increased stability (which I clearly don't count as a stable tripod), and anything in between, like setting the lens of the camera on my palm on a stable surface. At what point of stability you would consider that the camera is on a tripod? I guess that if I notice more shakes in the view finder with the IS than without I should turn it of but that not always clear cut. I'm particularly interested to know if there is a risk of damage for Sigma lenses or I might just lose image quality (and use a bit more power) because of the vibrations induced by the image stabilization ?
@garethVanDagger
@garethVanDagger 5 жыл бұрын
Hope Jared Polin didn’t get triggered by the title of this video. Watch out Tony!😂
@ecmjr
@ecmjr 5 жыл бұрын
@dennytenny LOL!!!
@stuartschaffner9744
@stuartschaffner9744 5 жыл бұрын
As a fan of both the Northrups and the Fro, I would suggest that Jared is pleased by the controversy but unconvinced by the argument.
@scallen3841
@scallen3841 5 жыл бұрын
Don't forget the cult of raw
@nourelrefaiphotography
@nourelrefaiphotography 5 жыл бұрын
Thanks for this, I have two comments: - I'm an Architectural photographer and I noticed on one of my wide angle lenses that f5.6 was actually sharper than f8, however I often use f8 because when you take DOF into account, f8 turns out to be actually the sweet spot of both DOF and sharpness combined. - I still believe that cheap SD cards has a factor in increasing the risk of failure, thats mainly from my experience ofcourse.
@robertslapsevskis2388
@robertslapsevskis2388 5 жыл бұрын
Agreed on memory cards. In the past I had bought some crappy cards and usb sticks by likes of lexar and transcend and they just died so quickly or didn't work to begin with. I still have an old (must be more than 10 years now) SanDisk SDHC card that came with nikon d40 (still using it now!). I don't think I ever had a Sandisk memory failed on me. I have some kingston, samsung and toshiba cards/usn sticks which seem to be alright as well)
@nourelrefaiphotography
@nourelrefaiphotography 5 жыл бұрын
Roberts Lapsevskis I had A transcend card that failed too, all my Sandisk extreme pro never failed once so far! And I recently got the Sony Tough cards and they seem even more durable than sandisk
@rickymcc9072
@rickymcc9072 5 жыл бұрын
Hi Tony & Chelsea On topic of image deletion in camera, I often do this on my Sony a7R3 but have noticed in dual card mode it only ever seems to get deleted off the 1st card and not the copy card. is there a workaround for this? In practice it discourages me deleting as I can't effectively save space and still back up to a second card as second card will fill up faster than main card where capacity has been freed up by deleting. Any thoughts? My practice is to use many pairs of high capacity cards when travelling, but that's an expensive option for many folk.
@dougdavis5808
@dougdavis5808 4 жыл бұрын
Hi I have a question I am buying my first camera in 12 years, I was using a canon 750 powershot now I am looking at a CANON POWERSHOT G7X MK II 20.1MP 1" 4.2X 3"TILT or a Panasonic Lumix DMC-LX10 Digital Camera would you pick over the other? and thanks for all the help with learning how to take good pictures.
@DreTrades
@DreTrades 5 жыл бұрын
I edited lots of jpgs. The only difference is that you cant push them hard.
@TimLucasdesign
@TimLucasdesign 5 жыл бұрын
That's what she said.
@scallen3841
@scallen3841 5 жыл бұрын
Lol
@dazzlingdeb8427
@dazzlingdeb8427 4 жыл бұрын
This is Dre Shoot in RAW and JPEG. Edit a RAW file and edit a JPEG. Huge difference in quality and file size. And each time you save a JPEG, your file is getting more compressed. I only shoot RAW now. I’m gonna start with the best quality image that I can.
@donovanyamada3785
@donovanyamada3785 5 жыл бұрын
Just a quick message to reiterate my appreciation for succinct, accurate, and well articulated dissemination of knowledge. :D
@peterdenyer3002
@peterdenyer3002 Жыл бұрын
I am loving this series of yours. I have been shooting images since being the proud owner of one of the first digital cameras. An Olympus Camedia something or other, it was all so long ago that I have forgotten. I now shoot with high end Canon DSLR's and have never had a card go south on me, guess I am one of the lucky ones eh?. Keep up the good work guys....Subbed
@PhilBayfield
@PhilBayfield 5 жыл бұрын
Really interesting episode! Learned a couple of things this week :)
@ronboe6325
@ronboe6325 5 жыл бұрын
Did you mean to say Ni-Cad instead of Nickel metal hydide? NiMH is still popular (I have a bunch in service now)
@AlexRexVlog
@AlexRexVlog 5 жыл бұрын
Raises Pitchfork and chants "We Want More Myths ! We Want More Myths !!"
@orangefrogphotography9019
@orangefrogphotography9019 5 жыл бұрын
I've been watching your videos for years and I've learned a ton. I don't think I've ever actually given you props. Thanks!
@nateiverson8681
@nateiverson8681 3 жыл бұрын
Nice video! Thanks! When discussing autofocus vs manual focus you mention that AF anyways won in your test. Did you have some sort of manual focus screen on your camera to assist during these tests?
@thomasellis7625
@thomasellis7625 5 жыл бұрын
I still buy UV filters for all my lenses, for the sole purpose of protecting the lens. I’d rather scratch a $60 piece of glass than a $1.5K or more lens
@DJVARAO
@DJVARAO 5 жыл бұрын
but you remove the filter before each shooting, right?
@thisisnuts0022
@thisisnuts0022 5 жыл бұрын
Dr B bet you can’t tell the differences, with a good quality filter on and one off.
@thisisnuts0022
@thisisnuts0022 5 жыл бұрын
Nathan Crabtree what about cleaning over and over better to do that to a filter hehe
@thisisnuts0022
@thisisnuts0022 5 жыл бұрын
Nathan Crabtree what about cleaning over and over better to do that to a filter hehe
@DJVARAO
@DJVARAO 5 жыл бұрын
@Nathan Crabtree Yup, most of the time you don´t need filters.
@maxellison55
@maxellison55 5 жыл бұрын
The production quality of your podcasts are AWESOME! Top shelf!
@mendopix
@mendopix 5 жыл бұрын
Except for the failure to light Chelsea adequately.
@AllgoodthingsTv
@AllgoodthingsTv 5 жыл бұрын
Great video. Some very useful info. here.
@hectoralfonso824
@hectoralfonso824 5 жыл бұрын
Congrats you guys have one of the best KZfaq channels. I have lear a lot from you . thanks a lot!! Greetings from Bogota Colombia. Hector
@TonyAndChelsea
@TonyAndChelsea 5 жыл бұрын
Thanks, Hector!
@1lifeonearth
@1lifeonearth 5 жыл бұрын
Does the 12 megapixel sensor do better in low light for video than a higher res sensor? I wonder if video is different. If not, I wonder what the logical reason for making such a low megapixel sensor is on the Sony a7S series. If there is one.
@1lifeonearth
@1lifeonearth 5 жыл бұрын
@UCtf1TrQ29UnQrehvtjSBm6A oh I see, that's good info in that and makes a lot of sense, thanks!
@stefchenko009
@stefchenko009 5 жыл бұрын
so the video is definitely different, because less pixels on the same size sensor, means physically larger pixels, which in theory means more light is being let in and thus the camera does better in lower light because more of that light is hitting each pixel (from what i understand at least lol)
@ivankiefer3886
@ivankiefer3886 5 жыл бұрын
Sensor Readout speed si much faster less heat generated and les jello efect in video. Some of the advantages of less mp
@TonyAndChelsea
@TonyAndChelsea 5 жыл бұрын
Yeah video can be a very different story because most high-res sensors don't read every pixel (at least for 4k video).
@1lifeonearth
@1lifeonearth 5 жыл бұрын
@@TonyAndChelsea ahh I see, makes sense now, thanks my dude!!
@mdturnerinoz
@mdturnerinoz 5 жыл бұрын
I don't delete in-camera because I once deleted a prize shot because I chose based on a detail I missed in the back LCD! Bad Marty!!!
@skipcampbell239
@skipcampbell239 3 жыл бұрын
very helpful videos ,i have watched around 15 so far.helped me decide on buying a canon t7i and i purchased a sigma 150-600.
@vegematic
@vegematic 5 жыл бұрын
great video guys....i especially like the info on batteries....very helpful! one thing, however - tony: regarding lens sweet-spot, i always thought the sweet-spot was somewhere near the middle of the f-stop range, and in my limited testing, that seems to be where i have found the sharpest image in and around the focal plane. your claim that f/4 or f/5.6 is usually the sweet-spot on a lens is probably a good rule of thumb on bright primes where maximum aperture is 1.2 or 1.4. in these cases, f/4 or f/5.6 are right in the middle of the range on those lenses. on many telephoto zooms, there is no f/4, and f/8 or f/11 tend to be right in the middle of the range on those lenses.
@greatpix
@greatpix 5 жыл бұрын
Apple should redo Siri's voice using Chelsea's. So should Google and all the voice response software.
@JoeMaranophotography
@JoeMaranophotography 5 жыл бұрын
Imagine if they did Tony's! Everytime you say Micro Four Thirds he would finish with "is dead!" 😂
@mrsusan893
@mrsusan893 5 жыл бұрын
Nah I'm good.
@rockyrails
@rockyrails 5 жыл бұрын
Lol - then everyone would get square space plugs thrown in at random
@Cotictimmy
@Cotictimmy 5 жыл бұрын
Yeah, but imagine they made a clerical error and used Tony's voice instead...…..I just don't think it's worth taking the risk!!!
@yaza.2153
@yaza.2153 5 жыл бұрын
Instructions Unclear: Jared Polin is now the voice of Siri
@robph8421
@robph8421 5 жыл бұрын
I always thought sharpness is when objects don’t smear themselves outside their own boundaries. Micro contrast is when you have sharpness among objects of near identical shades and colors.
@AK-km2kd
@AK-km2kd 5 жыл бұрын
You mean take a picture of 50 shades of grey and then to be able to identify each shade?
@furyvideo1
@furyvideo1 2 жыл бұрын
I wanna ask you guys a question,,,,I recently bought a Canon eos rebel 7 -24.1 pixels and it was advertised as a Digital SLR, but then I started to read the stats on the camera, and reading it said it was a DSLR,it got me confused,,,is there a difference between Digital SLR and DSLR cameras, and my next question is I was looking for the manual for the rebel 7 and the manual was about 2 cameras the EOS Rebel 7 and the EOS 1500, are the 2 cameras similar in the way they were built, I'm new to the hobby, or is it advertising????/ confused,, this is my first DSLR CAMERA or is it digital SLR,I perfer a DSLR CAMERA
@angelangelov2354
@angelangelov2354 5 жыл бұрын
27:01 Chelsea: "... I mess up a lot of things in life." Tony: "Yes." *savage*
@dosnieslaw2165
@dosnieslaw2165 5 жыл бұрын
The follow up to this that was cut for time. Tony: "..... I'm sleeping on the couch tonight aren't I?" Chelsea: "Yes."
@venom5809
@venom5809 5 жыл бұрын
Tony slept in the pool house that night. LOL
@dazzlingdeb8427
@dazzlingdeb8427 4 жыл бұрын
Angel Angelov I caught that too. 😂
@QLFProductions
@QLFProductions 4 жыл бұрын
That was most likely for her calling him a fake photographer lol
@filetdelumiere5037
@filetdelumiere5037 4 жыл бұрын
I shoot raw+JPEG. Raw for obtaining the best from my shots after edition. JPEG to send them immediately as test shots. Raw is no use (and JPEG are ok) if you don't deeply edit your photos. Raw is mandatory if you always want the best from your photos after editing (shadows/highlights/noise). An other pro of shooting raw: I have been able to edit again some old raw files taken with a D200 with an up to date editing software and so, with better image quality.
@talrodriguez1206
@talrodriguez1206 Жыл бұрын
Tony & Chelsea, thank you for all of the information you two provide. I'm an aspiring photographer (got my Canon 90D last November). I've heard at least a couple of the points you brought up. And it's nice to know that if I *do* decide to put my Tamron 150-600mm G2 on a tripod, I need to turn off IS. Thank you, again!
@lylecameron5578
@lylecameron5578 5 жыл бұрын
Wow, I learned a lot on this one, especially F8 "not" being the sweet spot on OEM lenses. Thanks, as usual !
@markpx
@markpx 5 жыл бұрын
Stop hogging the light, TN! Get another light on CN to brighten her up, she looks like she's in a closet.
@marvinbeatz6266
@marvinbeatz6266 5 жыл бұрын
😅doesn't matter...this is for a podcast
@KyrosX27
@KyrosX27 5 жыл бұрын
Nobody puts Chelsea in the corner!
@Princeton_James
@Princeton_James 5 жыл бұрын
Time to come out.
@blended7841
@blended7841 5 жыл бұрын
Now this is all I can see. Thanks!
@blended7841
@blended7841 5 жыл бұрын
@@marvinbeatz6266 it is a podcast that has 65k views. So I mean...
@HughTomlinson
@HughTomlinson 5 жыл бұрын
On the subject on manual focus, there is on important factor with modern cameras - the focusing screen. Back in the dark ages (well 40 years ago) when I started photography and auto focus was all but non-existent; SLR cameras would have focusing aids incorporated. This would be in the form of a Fresnel Screen or split view focusing. These made manual focus much more accurate than the plain ground glass in modern DSLR cameras. I'm not sure where that fits in with these new fangled EVF things 😜
@sekrasoft
@sekrasoft 5 жыл бұрын
EVFs provide focus peaking and magnification. FP behaves differently depending on lenses and scenes (a portrait lens and a face vs a wide angle lens and some sharp edges, the latter triggers FP better), magnification works well all the time but one have to give up framing.
@DaveHaynie
@DaveHaynie 5 жыл бұрын
If only modern DSLRs employed a flat ground glass! The problem with modern DSLRs is different. The ground glass -- a very good diffuser -- functions to decouple the camera's optical system from your eye's optical system. But consider the modern DSLR. First, you have to deal with a large part of your business being in APS-C cameras, so there's less light and more optics needed in the viewfinder to deliver an image, which is going to be really dark compared to our 35mm SLRs from the 1970s. And next in line, your camera has to streal around 25% if that light to feed your DSLR's autofocus sensor. So in order to fix this, most modern DSLRs don't have a ground glass focusing screen. They have a partical condenser, a lens that optically spreads the light. It's way less lossy than a ground glass, but here's the problem: it does not fully decouple the camera's optical system from the eye's optical system. So it's extra-difficult for you to judge correct focus on a manual lens. Not just your imagination. Mirrorless do achieve this complete decoupling... pretty obviously, given that your view through the EVF is directly off the image sensor you'll use to take the photo.
@chcomes
@chcomes 5 жыл бұрын
Good episode! I understand 3d pop as how the edges in focus sharply contrast with the soft oof areas, but am not sure if lenses can affect that in any significant way
@shizenjapan
@shizenjapan 2 жыл бұрын
Excellent video and lots of great info.. I use clear filters on all my lenses, simply to protect them from scratches not for better picture quality. Having said that I use a lens hood on all of them too for extra protection as well as to stop glare, especially with the long zooms. As for jpeg or raw, I only use jpeg. I usually do very little editing and prefer to perfect my photography skills rather than my editing skills. In my opinion you only need to shoot in raw if you have to do some serious editing for important occasions such as weddings where perfection is expected, or simply you enjoy it. I do a lot of landscape and wildlife photography but still only ever use jpeg. Modern day cameras take extremely good photos in jpeg and software like Photoshop or lighthouse will still allow more than enough editing for most people. For me I only keep the photos that are worth keeping and do some light editing as I see fit. If I have some photos that are so crappy and require a lot of editing I just bin them anyway. Unless you are doing something like wedding photography where perfection in the photo is mostly a must jpeg is fine. They take up less space on your card and is much easier on your computer too. As for the f8 sweet spot, it is both true and false depending on your lenses. My two kit lenses that I used to use f8 were certainly the sharpest when used at the long end of the zoom, but not at the wide end. I have a 10-20mm Nikon which is fine anywhere between f8-14. Can not notice any difference in sharpness. The Sigma 17-70mm I have is sharpest at f5 when using it with spot metering and taking closeups. But for landscapes using it at the wide end then f8-16 gives better results. And the Sigma 150-600 is sharpest at f7.1 when using with spot metering and using it to take birds, etc. When using with matrix and trying to get a larger field of view for landscape then F11-13 gives best results. So one sweet spot on any lense is not necessarily true across the whole focal range where you are using a variable lens. Your camera settings as well as what you are trying to focus on as well as distance will all affect which f stop will give the best results at least with variable aperture lenses anyway.
@zoestylish9044
@zoestylish9044 5 жыл бұрын
Don't understand half of what you are saying... but I just love the way you both go full blast nerdy... and the... Sometimes Violent Nerd reaction that follows 🤣... 🤓🤓🤓... Great job you both 👍
@wikrap1
@wikrap1 5 жыл бұрын
DXO score for noise is actually for single pixel. It did not counts that you have 5 or 10 pixels to average vs. one big slighty better pixel. It measures how much every pixels differentiate from a "correct" values it should capture. That's why.
@ezrakoper
@ezrakoper 5 жыл бұрын
Tony can you please provide a link to the noise comparison? Do you state that if I will take a shot at ISO 6400 with A7III 20MP of the stars VS A7RIV 60MP then the photo of 60M raw in both will look cleaner? I will be really happy to see such video comparing noise at ISO 1600-12800.
@karafuru7666
@karafuru7666 5 жыл бұрын
Regarding the DXO mark ISO score. There are two ways you can look at it. "Per pixel vs scaled" distinguished by "screen vs print" respectively. If you used "print" it assumes you matched the picture resolution say 2MP vs 2MP and thus the D850 and A7S are very close. If you used "screen" it looks at it per pixel which obviously the a7S is bigger per pixel and would require huge improvements before a D850's high resolution sensor matched that. DXO's data is correct, but they don't tell people how to navigate or interpret the data
@thedausthed
@thedausthed 5 жыл бұрын
RAW is objectively better than JPEG. 12, 14 or even 16 bit is massively better than 8 bit (16 times, 64 times and 256 times respectively). That allows much more modification to the brightness and colour of the image (including WB).The best analogy to shooting JPEG is like shooting film, having it printed amd them scanning in the print!
@stanspb763
@stanspb763 5 жыл бұрын
You are right. JPG depends on the purpose of the image of course but RAW is the only way to have a file that retains its data-depth. JPG is both a de-mosaic-rendering and deep compression engine so every time any change is made it is compressed again and each time into the future until little remains. It is a poor archive format for this reason, resized transfers drop a lot of data each pass.
@borderlands6606
@borderlands6606 5 жыл бұрын
The only criterion is what your eyes can see. Preferably on a print.
@markkasick
@markkasick 4 жыл бұрын
You totally missed the point.
@dazzlingdeb8427
@dazzlingdeb8427 4 жыл бұрын
Stan SPb Exactly. Which is why I work in Photoshop. I can work all I want with a PSD file and the quality doesn’t deteriorate. I only save the image as a JPEG when it’s required and only when I’m done editing.
@davidbierbaum4881
@davidbierbaum4881 4 жыл бұрын
@@borderlands6606 I respectfully disagree with that. That is the final criterion, but not the ONLY criterion. Shooting RAW with more bit depth and no lossy compression will allow you more avenues to arrive at the final criterion than the jpeg image will. The advantage of RAW is... wriggle-room, so that when you don't perfectly nail the correct exposure, or the dynamic range of the image is a bit extreme, you can still pull an image out of it that will meet that final criterion.
@Scarebus_Driver
@Scarebus_Driver 5 жыл бұрын
Try shooting a 10 second exposure with IS on and see how far you get Tony... IS float is the gyro floating ie moving the IS element over the period of the exposure. Short exposure fine leave your IS on but please if your busting myths at least be right and any long exposure will suffer from severe to complete image reduction by using IS on multi second exposures. Nice work on myth busting but this one ie long exposure and IS float aint no myth..
@kevindahlen
@kevindahlen 5 жыл бұрын
How about NOT during long exposures? I would think that is probably closer to the myth he was talking about. Also, I need to try long exposures more. Thanks for the reminder!
@Innovate-pq9ci
@Innovate-pq9ci 5 жыл бұрын
Second that. Most of the video is wrong actually :(
@darphotos55
@darphotos55 4 жыл бұрын
I regularly shoot up to 4 minute exposures with a Canon 300mm f/2.8 II with the IS turned on. No problems seen.
@Innovate-pq9ci
@Innovate-pq9ci 4 жыл бұрын
darphotos55 maybe it's "intelligently" turned off by the camera.
@MtRevDr
@MtRevDr 2 жыл бұрын
@@darphotos55 - The problem is seen and magnified when the anti-shake does not correspond to the focal length of the lens used. That is why Canon claimed that IS is better placed in the lens than in the camera body. In that case the manufacturer can tune the IS closely to the focal length of that particular lens. But many photographers have thin and light tripod that shakes anyway. For long exposure, their thin tripods do not actually give them the sharpness their lenses can offer.
@Mixedpuppy
@Mixedpuppy 5 жыл бұрын
I’ve been watching your videos for some time now. I really appreciate the learning nuggets like this. Very helpful. “I’ll take the 12 piece Learning McNuggets Please!!!”.
@LateBoomer1964
@LateBoomer1964 5 жыл бұрын
I shoot with a Nikon Coolpix P100. Should I turn off stabilization on a tripod. Another question, do memory cards wear out? If you don't format your card often will it affect the quality of your photos? Thank you in advance for your answer. Love your video's thank you for sharing your knowledge with us.
@danielsvoboda198
@danielsvoboda198 5 жыл бұрын
Linda Farneth yes/yes/no
@richardgraham65
@richardgraham65 5 жыл бұрын
Panasonic Eneloop Pro are some of the best rechargeable batteries and they are NiMH.
@bone4k
@bone4k 5 жыл бұрын
Richard Graham They still have a memory effect though...
@Thumpr110
@Thumpr110 5 жыл бұрын
I love these podcasts
@canadianbacon9396
@canadianbacon9396 5 жыл бұрын
Genuinely interesting conversations. Thank you!
@e.m7116
@e.m7116 5 жыл бұрын
Whoa, this was really fun AND educational - I absolutely believed (of course without having done any testing..) that fewer/larger pixels meant better low light performance. Thanks!
@asub3292
@asub3292 5 жыл бұрын
I think manual focus needs a caveat: its inferior most of the time. In many niches, like astro and macro photography, I find manual focus is a must. in fact, in the latter im using a focusing rail, and moving the camera millimeters to focus.
@davidjames4915
@davidjames4915 5 жыл бұрын
Ya, autofocus in astrophotography is a recipe for fuzzballs for stars. I took a series of photographs of nighttime lightning with autofocus and I was lucky to get a single good shot out of the lot.
@SmallSpoonBrigade
@SmallSpoonBrigade 2 жыл бұрын
It greatly depends on the focusing screen technology and how careful you are. In most cases a modern autofocus will do a better job than manual. That being said, there are definitely times when that's not the case. Especially if there's a bunch of stuff that confounds the AF system. But yes, in general, selecting the AF point and using that is usually the right way to go.
@LoveChristJesus
@LoveChristJesus 5 жыл бұрын
Thanks, even for 30 minutes, this video is easy to digest... if you like photography.
@TimberGeek
@TimberGeek 5 жыл бұрын
My reason not to delete pictures in camera is sometimes there are weird hidden abstract gems in there you can't really see and appreciate on the wee screen at the back of the camera. But I'm shooting for art and elements not assignment. Auto-focus isn't more accurate when it won't lock on.
@fixitrod4969
@fixitrod4969 5 жыл бұрын
I agree. It's amazing how many times I find a great picture from a picture I thought was bad by cropping.
@joyibrand
@joyibrand 5 жыл бұрын
Is it correct to say that if I stood against a wall and used a 50mm on a full-frame, and then took the same image with a 110mm on a 6x7, they would roughly capture the same field of view but at different lens compression?
@XCATFANCYX
@XCATFANCYX 5 жыл бұрын
i really wanna see a video on micro contrast and 3d pop. whenever i hear photo bros going off about lead glass in vintage lenses giving better "presence" i wonder if its just a bunch of snobbish hooey!?
@Innovate-pq9ci
@Innovate-pq9ci 5 жыл бұрын
just facts. 1- micro-contrast (bad word) means lens distorts the signal less, so it's likely more true-to-life. The more elements, the most likely your signal will be distorted. 2- 3d pop is a lens design choice when the depth of field is not even across the lens image projection. Say f1.4 in the centre but f2.8 in the corners. This gives a 3d look to it. This is purposefully chosen by designers in some lenses, for example, Fujifilm XF 35mm f1.4, as per Fuji's design notes.
@smaakjeks
@smaakjeks 5 жыл бұрын
I was hoping you would bring up micro contrast! I keep asking people what you ask people. I *never* get a good reply.
@stuartschaffner9744
@stuartschaffner9744 5 жыл бұрын
Suppose you had a scene with large contrast between areas that should be recorded on adjacent pixels on the sensor. A good real example would be feathers on a bird, where the fibers of the feathers were of contrasting color. Or, perhaps, a middle-aged person's salt-and-pepper hair. If the camera sensor grid accurately recorded the scene, you would have a lot of dark pixels right next to light pixels. Two things can disturb this: flare and blur. Flare is the most insidious and the hardest to measure. Virtually all of the light that enters the front element of a lens stays within the camera. The light that isn't destined to hit the sensor has to hit something eventually, like the mechanical parts of the lens or the surface of another lens element. Most surfaces, even those of coated lens elements, are a bit "shiny" and reflect part of the light that hits them. Some of this stray light, bouncing around like balls in a pinball machine, will hit the sensor as an unfocused "flare". Flare can be minimized with baffles, flat black surfaces, and internal lens element coatings. All of this costs money. So, low flare = high $$. Blur is when light destined for one pixel on the sensor bleeds into adjacent pixels. We are all aware of what a blurry edge looks like, but the effect is even more devastating on fine contrasting patterns like I discussed above. There are lots of kinds of blurs: focus, coma, chromatic aberration, and of course diffraction. The last is universal and directly related to the f/number. You measure blur as a "diameter" of a circle on the sensor. Most of the light that should go to the center of the circle will at least remain in that circle. For statistically-uncorrelated blurs, a reasonable estimate for the total blur diameter would be a root-mean-square measure: total-blur = sqrt(blurA^2+blurB^2+...). We all know that correcting most kinds of blur is expensive. If a lens is so good that diffraction blur dominates, telescope makers call this "diffraction-limited optics". Needless to say, such optics are very expensive. Diffraction blur diameter is proportional to f/number. So, a lens stopped down to f/4 has twice the blur diameter as a lens stopped down to f/2. You could estimate a blur "sweet spot" for a high-end lens as being when the diffraction blur spot diameter is equal to the pixel stride. For a 61-megapixel full-frame camera, I would estimate that the sweet spot is about f/3. I know this is a lot of detail, but I hope it helps.
@smaakjeks
@smaakjeks 5 жыл бұрын
@@stuartschaffner9744 This is not an explanation for the difference between micro-contrast and sharpness. Perhaps you misunderstood what I was referring to from the video.
@stuartschaffner9744
@stuartschaffner9744 5 жыл бұрын
Smaakjeks K , I could have easily misunderstood you. If so, my apologies. Actually I was responding more to Tony’s comments and to what seems to be some pervasive misunderstandings about lens flare. If you have some specific disagreements with what I wrote then we can discuss that.
@smaakjeks
@smaakjeks 5 жыл бұрын
@@stuartschaffner9744 What you wrote seems fine. Thanks for taking the time to explaining it to me, all the same :-)
@loboblanco99
@loboblanco99 5 жыл бұрын
Great video ...fun and interesting... Always informative...
@angelangelov2354
@angelangelov2354 5 жыл бұрын
My niece's Nikon D3100 (2011 model) doesn't do well with deleting photos in camera. Whenever she deletes photos that way, they still show up on the computer (using a card reader) as 0 kb ghost files, which is pretty frustrating.
@BigHenFor
@BigHenFor 3 жыл бұрын
It's a combination of software, memory, and age can corrupt memory cards.
@MikeCameramike
@MikeCameramike 5 жыл бұрын
Olympus EM5 MKII turn off image stabilization for time lapse on tripod to save battery life. I have tested this.
@dimdimich1
@dimdimich1 3 жыл бұрын
Excellent recommendation!
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