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Steve D. R
2025-08-14 19:05:58
Works as expected
Phillip E. Lassor
2025-08-04 19:22:58
Purchased this filter to use my 70-200 lens and I could not be happier! The darkness adjustment is great, you just look through the finder and rotate the filter until you get the exposure level you want.As a test I took pictures of a lit lightbulb straight on and I got a clear view of the bulb and the lit wall around it, incredible. This will really help bring interesting new abilities to my shooting and I can’t wait to try it out in other situations.
Andrew T. Wilson
2025-07-23 16:47:07
I'll start by saying that, for what it is, this product is pretty good; be aware this class of device (variable ND filters) have built-in limitations.First the good parts: the product feels solid, the knurled ring is useful for getting it on and off, and its minimum and maximum filter settings are clearly marked. I will take K&F at their word the spill-resistant coating works; it definitely does not seem to accumulate fingerprints.Then the built-in issues: the big one being the blotchy, uneven filtration when you close it down too far (the dreaded "X" effect). On my camera (Sony A7iv with 24-105mm lens) this occurs at roughly six stops of filtering. Your mileage can and will vary, but expect to see the X at some point, especially at the wide end of a zoom. Another problem is the "roughly" part -- the markings on the filter do not necessarily correlate, at all, with F-stops as metered by the camera. They are at best approximate. A third problem is the Min/Max zones are marked but there is no tactile feedback or detent to tell you when you exceed them.More expensive ND filters may not have these problems but they definitely come with a pricetag. If this filter works OK on your camera and lens and you can live with the limitations, go for it.
Customer
2025-07-17 11:48:58
You probably know the brand if you are shopping for this. They are 80-90% as good as B+W for half the price. Very happy with this filter and will continue to use K&F products!
Man
2025-07-10 12:32:07
Bought this filter for my sigma 16-28 on Sony emount. It had really strong vignetting at the 16mm end of the lense. I also found that i need more than 9 stops to get the look i wanted. Can't blame the filter for that. Other than that it was great and would recommend if you know you are not shooting really wide and that 9 stops will cover your needs.
Douglas Bomer
2025-06-04 11:15:11
K&F is a relatively new brand to me, but they have yet to disappoint. Their products are great quality, and are competitively priced. The VND filter and CPL filters both work well on their own, or stacked with eachother. The fit and finish is spot on, and feels like quality. Depending on what version of their products you get, you’ll either get anodized black or a copper/ orange color. They seem to protect the main lens glass well, and don’t budge at all once snugged down. Highly recommend their products!
OZ4
2025-03-28 12:32:58
Challenge number 1) The K&F Concept 77 mm Variable ND filters I purchased arrived later than promised and I was not able to use it for my 9 day photoshoot. Challenge number 2) It fits on my camera lens but needs time and patience to attach to the lens but it does fit. Challenge number 3) No positive stops, no detents to let you know how far you've gone (my ND filter 1.5-10 stops). In addition, if you are invested in using your lens hood while shooting, it won't fit with these ND filters.I'll be using the ND filters on my next photoshoot and will submit an update to my review.
Customer
2025-03-14 15:23:24
The filter is convenient to use. Works as expected. Just keep in mind, that since it uses polarized lenses the photo can come out unevenly darkened eg from left to right, it’s by design.
Tenison
2025-02-18 10:26:28
10 stop variable neutral density filter works perfectly for quickly adjusting bright scenes for video.
Anton
2025-01-25 17:29:26
Funktioniert wunderbar . Filtert gut die Sonneneinstrahlung auf Scheiben oder andere Reflektionen.
Nicolas
2025-01-09 11:10:08
Très bon rapport qualité prix
Sebastien
2025-01-03 17:27:33
Produit qualitatif et facile d utilisation possibilité de passer du plus sombre au moins sombre
Johnny Arwidzon
2024-12-30 11:41:47
Gör vad den ska. Relativt snabb leverans.
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