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K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32

SKU: KF01.1063

Overall Rating 4.6   63
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
28/09/2020
4
This is a must have item in your camera bag and for a fraction of the cost of other brands of Variable ND filters.So far I have tested it with several lenses and 3 different cameras using step down rings in low light and bright mid day light from the lowers ND2 all the way up to DN32 and so far have not seen any X pattern. A huge issue with many a variable ND filter, even with the really expensive ones.Color cast is insignificant too, but like ALL lower end ND filters there will be a color cast, hell even a $500 one will have some kind of color cast, again at a fraction of the cost to have a barely noticeable color cast, or at least one that can't be easily corrected in LRThe only real issue with this is if you are using the filter with the same thread size as your lens the vignetting is a little bad at both extremes, unless you zoom in with your lens. SO I bought the 77mm one for my old Canon 24-105 that has a 77mm thread on a full framed camera, and at the extremes of the ND filter and when my lens is at it's wider focal lengths the vignette is somewhat an issue, again a vignette is still easier to work with than the dreaded X pattern.Now adays I am shooting with Sony mirrorless and every lens I shoot with on my full framed camera is less than 77mm threading and the vignetting is no longer an issue at any range of the filter and at any focal length of the lens and I have been shooting the dang thing A LOT with my Sony.Crop sensor cameras should not have the vignetting issues with this filter.Above are some of the photos I have taken with the filter including my Canon 5D series and my Sony A7R series. The first 3 are of my Canon and the second 3 are my Sony
Use this Use this Use this Use this Use this Use this
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
09/05/2019
5
 I tried several of these type of variable filters. All exhibited horrible image artifacts, making the footage unusable on wider lenses. There are several VERY expensive ones promising no artifacts. They all have limited range, just like the K&F Concept Fader ND. This one really works. For the higher range, some make you buy another $300+ fader, which I believe consists of one ND polarizer and another clear one. I am cheap, so I put another MRC coated ND, to extend the range. It works great as far as I can tell. I don't have to drag (and field change) multiple ND filters.As far as the size goes, unfortunately, the iPhone image stabilization cause very bad vignetting with the wide lens, so I had to use large diameter fader. I could balance it all on the Snoppa Atom with minimum of counterweights.
Works Great With iPhone, Moment Wide and case - no X - on Snoppa Atom. Works Great With iPhone, Moment Wide and case - no X - on Snoppa Atom.
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
27/02/2019
5
At time of this review I have had the filter for roughly 4 days.Easily my favorite attribute about this filter is the lack of 'X' problems with photos. With many variable neutral density filters you can spin the filter too far and create an 'X' unintentionally. K&F have solved this issue by only allowing the filter to twist to a certain spot so the use will not accidentally ruin any photos. The filter feels very rugged and sturdy. The portion of the filter that does not spin has grooves on it to easily hold on and twist the outer ring. Great product so far.
No 'X' problem anymore No 'X' problem anymore
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
23/03/2021
5
Thanks
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
16/02/2021
5
Images and video look even and no color distortion
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
08/02/2021
5
This filter is great, feels well built, and comes with a sturdy and protective case. I noticed very little color shifting for video work and the range of ND is good.
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
14/10/2020
4
Picture quality is amazing
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
28/08/2020
4
I find that the picture quality is awesome, but for some reason, this filter is SUPER DIFFICULT to screw onto any of my lenses or step-up rings. It's the right size and after struggling for up to a couple of minutes to line up the threads perfectly to screw the darned thing on. Once it starts going on (I've confirmed that I'm not cross-threading it) it's super tight. Idk if I got a dud, but it's crazy how difficult it is to screw on and that's incredibly frustrating in the moment! It'll never fall off from twisting the adjustment ring, on the bright side.
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
28/08/2020
5
For a filter that is used rarely, I love the fact that it didn't break the bank. I use this for outdoor portraits with a strobe of course and this filter. Gives me many options to open up my aperture wide and keep my shutter speed below 1/250 sec. with a strobe. Nice warm and smooth images. Used on a NIKON D3S 77mm fit to my 70-200mm lens. Good purchase and very happy with it.
K&F XV37 77mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32
27/08/2020
5
I had use a few ND filter but all make the image very soft, but this one is great !With this K&F Concept I get very sharp image in all range from ND2 to N32, also no black corners.I have use this 77mm with a 67 mm lens with an adapter and work great.I really like this filter for the price and also like the its carrying case which is nice made and protective.