Thanks for watching! Don't get me wrong, the Samyang 24mm 1.8 FE lens is a good lens for the price. However considering astrophotographers want that large aperture and most likely want to use it at 1.8, I find the results a little disappointing. Hopefully you find this video useful! I plan to revisit this lens in a future video and review it from the perspective of landscape photos shot above f/5.6. So subscribe for that! Buy the Samyang 24mm 1.8: amzn.to/3Bgvklx Buy the Samyang 24mm 2.8: amzn.to/3Bgvklx

I'm not sure any f2+ lens that isn't apochromatic can withstand a 300% view. I own the 40mm 1.4 sigma which is considered one of the best loca corrected lenses in the world (it's also about 1.2kg) and on high contrast areas wide open it is still perceptible at a 100% view, far moreso at 300%. This is not knocking you, but I think your expectations for very bright optic (and a rather small one at that) might be a tad higher than reasonable. Have you checked whether the samyangs aberrations are reduced at f2.4-f2.8? A boon of big aperture lenses is not necessarily a flawless wide open performance (this is a rather newish trend of the past 5 years with very big complex and heavy lens designs) but an ability to produce better results stopped down slightly compared to a lens that starts at that lower aperture.

I appreciate this so much! As a wedding photographer, I end up in a lot of CA "torture test" situations, so when reviewers are like "Yeah it has a little CA in this really tough scenario, but otherwise it's okay", I don't know what to make of it. But this helped me a lot to understand that it could be a real issue for me.

Appreciate your honest take on this lens. I'm more concerned with coma performance. That fringing should in theory go away with a +5 slider adjustment. With that being said. What lens do you deem worthy for this particular application?

I bought this lens second hand after a rave review from Christopher Frost and found it completely unusable with its chromatic aberration and then had to resell it

Wide lenses can be a pain. Always some issue like vignetting, coma, CA, distortion.. At least with aspherical elements they're better than they were decades ago.

I have such a lens and it has no aberrations at all, it's super clean, just like a GMaster and even better.

No issue with my copy of 24mm

Great review man! Thank you for the info!

I am very happy with this lens, but the one problem i have is that the eye-autofocus seems to never hit on F 1.8. It either focusses on the eyebrows or nowhere near the eye at all. Going to F 2.0 fixes it, from here on theieye-autofocus works flawlessly. But of course i would like to use it on F 1.8 especially for portraits.

oh no I was set on getting this but you’re braking my heart. did you confirm if your lense was decentered in the end? edit: at least this will probably cause me to buy from something like Amazon instead of buying used, so that I can check for bad copies

Probably bad QC as you said, bcuz honestly most CA def. seemed lower on the supposed new one compared to the horrendous levels of the 1st copy. Anyway, good thing you post some alternative stuff to slap the hype off of ppls minds :)

Samyang was always known about its questionable quality control. As an example I had 2 MF lenses earlier, the 12/2 and the 10/2.8 fisheye for Fuji from them. Both were severely decentered, fringed and unsharp at one side of the image. Then decided no more Samyang lenses. Now their optics are much better, but still, better to pretest the sample you are going to buy instead of hopping on the luck train of Samyang

I can empathise with you, Did you try contacting Samyang directly?, UK distribution might have got a batch which might all have the same problem. You could ask Samyang to send you a copy of the lens they send to the "reviewers" not based in UK so that you can review it based on that, and settle this matter with the ambassadors once for all :).

In his review Christopher Frost noticed purple fringeing too but it went away from f4 onwards. However I think his test chart is quite close so there is distance to consider. I've founf the sharper the lens the more chance of CA you get which I know can be a total pain. Maybe sharpening the 35mm f2.8 in post using a high pass filter is a better option lol.

Thank you so much for this. I was just about to order it. I'm in Canada so I'd have to order it from the US ( Rokinon variant) and it'd be a bummer to return it.

i m going to buy this tonight, luckily see your review, ur the star !!

I had a problem with purple fringing from the sample photos he posted when he released the product. Thanks for confirming my thoughts (this is google translate)

Many more expensive primes also show purple fringing wide open. If anything it tends to be worse with better aligned lenses.

Did firmware update fixed the problems?

if you take astrophotography that seriously, why even consider samyang, A BUDGET lens.

Picked one up yesterday. CA is pretty bad with my copy too... Did you get another one with different results?

I love mine no pproblems at all --I wouldn't be doing landscapes at 1.8 anyway ... stop down to F4 --to F6 for that I would say

This is the biggest price you pay for lower prices “nice” lenses… Bad QC. I’m sure they make some fantastic copies, but it’s always a gamble.

Thanks, I have watched 100's of videos so far bc I am interested in this lens, I have to say you must have a bad copy because there are plenty of reviews in all conditions and never saw anything that bad. You surely got a bad copy. Did you replace it or any updates on this? Yes there is usually some CA wide open but even the Sony GM 1.4 and other "better" lenses have CA wide open. I do not shoot stars, but do shoot al lot of video and CA is not good in video or easy to "fix".

I'm wondering how CA is when you use the lens correction profile in Lightroom auto correct. Also as some people said it's normal for 24mm to show some fringes while they are wide open. even GM lens has it to some extend.

Nice find. I have the same Lens but I don't if it's the same quality as yours. Do you have a sample photo that I can download?

I wonder how it compares with Sony fe 28mm f2

the sony 24mm f1.4 gm has more ca, and tons of distortion mid frame, i'm actually planning to sell it and use this lens instead, much cheaper and i can use that money to buy more equipment

2nd copy looks better.....

NOT FOCUSING PROPERLY THEN ZOOMING IN 300% AND CRYING

Does the CA go away when stopped down a little? E.g at F2.8 or f4?

I am going through this problems as well

Which lens and cam are you using for this video?

Hopefully just a bad copy because that's pretty terrible CA.

Got samyang few days ago, tested it, it is not like yours, I can send raw files of astro if needed

mmhh...that is to much, that lens must be faulty. Mine is on the way, will be testing it.

Bought the lens when it came out, never had this issue with it. Probably that's why reviewers won't tell you this because they don't experienced it.

I radically disagree with the observation. Not that I contest your own experience. I'm sure it's about a bad copy as mine is perfectly usable in harsh bright contrasted conditions, with respect of CA.. and definitively not "terrible". I'd even say "better than the average". Sounds like the most weird observation to me. Most reviews of the lens are not sharing your views with respect of CA.

Desaturate your magentas and stop crying.