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!

My wife and I are picked up a couple electric scooters and I thought it would be good to mount our GoPro and get some video, so filters are very nice accessory that can make a big difference. This filter is just amazing well made, such high quality and beyond. Perfect all the way around. Screws on to my camera enclosure perfectly. Filter adjusts very smoothly and it's surprising how wide a range it has. i am no photography expert, so sure it will take me some practice to get it down.

Filter comes in a nice plastic case to protect it. I only wish it came with some kind of lens cover to protect the lens when it's out of the case. I can just take it off each time, but would be nice to leave it on.

Very nice filter, price is good, gladly recommend.

It's exactly what I needed when the outdoor shots are too bright. I'm also using this the eclipse In October so I will update this review after that event.

Out of the box this filter is well made, threads on and adjusts smoothly. The optics are quality and I was pleased with the photos. I did experience some vignetting when pushed to the limits, but that might have been caused with me having the UV filter still attached and like I said that was at the very extreme end of the filter position. Very impressed with the filter and it's quality. The photos were F8, ISO 100 and 1/160,1/25 and 1.6 sec. Would buy again

Good product.

I like this. if your reading this just buy it

I'd like it if it would turn all the way around but instead had stops at min and max level. But I guess there are different alternatives with this option in different price range. Only thing I really don't like about these NDs is that outside thread is bigger than the inner. Therefore I have to carry two lens caps, one 77m for my lenses and all of the other filters, and one 82mm for this ND. Otherwise it's very good and does what I want. Turning it around has very good resistance to it so you won't turn it accidentaly. But If you have lens with external focusing, it is easy to push it while turning and messing up you focus or confusing the AF.

This is a filter feature I have wanted for a long time but always considered a multiple filter set, not a single variable filter. To my satisfaction I found this single variable filter works very well and takes up minimum space in my camera bag. The effect given by this filter is also such that I don't have to worry about losing sharpness due to an inferior piece of glass. I use it primarily on my Canon EOS M50.

I have come to rely on K&F for a number of filter types for my many lenses. They are well made with quality glass and I have yet to find any real faults or negatives in these great value filters. You would have to pay a TON more for filters that are only slightly better than these!

This variable ND3 to ND1000 filter provides highly capable ND correction from 1.5 to 10 f/stops. It is a 67 mm filter that is widely used...especially for the majority of Tamron lenses as well as a plethora of Sigma, Sony and Canons as well, which makes this filter an even better bargain.

The variable range is done simply by rotating the front dial of the filter until just the right ND level is found in the viewfinder. The filter features 24 multi-layer coatings to provide the clearest and distortion-free optics, using Japanese glass (Excellent) and precise CNC machining.

I can honestly say that this variable ND filter is almost as good as filters that cost as much as five times more. Construction is very good and the filters mount to appropriate lenses without drag, rubbing or other issues. Simple operation and fantastic results!

All in all, and especially at the value price, this set earns an easy FIVE STARS with me, and I can honestly and heartily recommend the set for your appropriate lenses.

Very good image