Newton's Rings en.wikipedia.org/wiki/Newton%27s_rings Please not that the article says this is caused by the combination of a convex glass and a flat glass. That is correct, but the necessary curvature is actually very very small, as the article later says: "the pattern is created by placing a very slightly convex curved glass on an optical flat glass. " In fact, this problem is known in microscopy and film enlargers where the two glass surfaces are supposed to be perfectly flat, but the inherent flatness imperfection is enough to cause this effect.

The technical term for these is Newton's rings. Bad lens construction or possibly bad quality control in the construction. These could be caused by the lens glass sandwich having an air gap in it. These rings happen when the air gap is near the wavelength of light and slight variations in the surface profiles of the glass - possibly due to slight variation in the surface tension when the glass was cooling in the manufacturing process. You could probably enhance seeing these by looking though the filter/lens with polarising sunglasses.

Thank you for the update. I’m going to purchase the Breakthrough 15 stop ND filter soon.

Those rings are a constructive interfere pattern from internal reflections inside the thickness of the filter. Probably just a bad combination of coatings that is too shiny on the inside surface, or maybe one or both is coming delaminated a little bit.

hmmm, I have breakthrough x4 nd's, good to know, I will have to test this. It could be the lighting/color temperature. Nd's are designed for outdoors, and different nd filters have different color spectrums/frequencies

We'll, I'm late to the party. We used to use baby powder in our 8x10 enlarger when glass pressed to glass. It worked.

Dave) It's amazing effect! No Adobe or another vst can do that))))

I had the same issue with the Platinum Variable ND that Best Buy sells, it only happens sometimes and not in all situations. Happens definitely when I shoot with a window or some sort of digital screen in the shot, i get a green/purple fringe type pattern but it looks more like oil than actual moire, just like yours did.

The breakthrough get really famous lately.... this surprise me... Include Syrp to the test, the 82mm ND Variable! Thanks Dave!

Very interesting, Dave. Nice video, as always. In my beginnings I bought some variable ND filter they had in the shop. It was not cheap at all, but I thought any brand would do the trick. Boy, was I wrong... I noticed not only a huge contrast reduction, but also sharpness and even some flares here and there when sunny! Since then I learned that ND filters are as important as everything else, and I only purchase the ones with the best reviews, like Hoya. And not variable.

Whoa! I bought a few for photography, but use tiffen vari nd for video. I’ll test mine out for you and let you know! 🤔🤔🤔🎥📸

You need to talk to the Concentric circles expert at Onion News Network!

Same happened with my filter when I tried to clean it with too much cleaning liquid. I'm not saying this is 100% your case...

I have tested BTP filters using the magnetic holder and this is a REAL problem with Newton Rings on many images.Makes the filter system totally UNUSEABLE

Hi I have the Breakthrough Photography 82mm and there is a small yellow flare on my videos .

could you find the reason?

I noticed something similar happening from the X2 UV Filter I put on my Sony 28mm f2 lens. I also have an X2 UV for my 85mm f1.8 that did not have the same problem. I also assumed it was a bad copy and sent it back. I didn't end up keeping the 28mm f2... so I can't really answer the question just yet. I really want to test out the X4 filters but they're so much more expensive. Not sure if they're worth the extra cost.

Great video bro thanks for bRing that out all those filters company’s need to do a better job with there products, they charge way too much for any filter this day there close to cost as much as a lens and that’s crazy, I have this problems with a hoya intensifier

SEE INFO IN DESCRIPTION FOR THE CAUSE. YOU'RE WELCOME.

I'll need to test my Breakthrough's, but I do believe they have a lifetime warranty if it is an issue perhaps they will honor it.

I don't get this on my heliopan vari nd.

Hello Dave, thanks for this review. I am curious to know if you tested the Breakthrough ND filter for Bokeh? In your other ND filter shootout it was apparent the Heliopan rendered bokeh with the least amount of texture. I was primarily needing an ND filter to shoot wide open with certain lenses so this aspect is important for me. Would you have any bokeh rendition and sharpness info on the Breakthrough ND filter compared to the Heliopan? Thank you!

Have you tried cleaning both sides of the filter and testing again?

So Dave, do you have the DaVinci Resolve Studio dongle or activation key? Or do you just use the free version?