39mm Variable ND Filter ND2 - ND400 Adjustable Fader Neutral Density, Ultra Slim Waterproof Multi Coating Optical Glass Lens Filter (Nano-K Series)

The K&F Concept ND Filters offer exceptional value for their price. They are made with high-quality materials, providing a durable and sturdy build. The rotation mechanism is smooth, allowing for easy adjustment without any issues of accidental movement. When it comes to image quality, the filters deliver excellent results, seamlessly adapting to the lens without causing any vignetting. While there may be a slight "x" effect if the maximum limit is exceeded, this is a known limitation and doesn't pose a significant problem. In conclusion, I would definitely repurchase The K&F Concept ND Filters. Considering their affordable price, they offer great value, and it's hard to ask for more.

This filter is amazing. If you are looking for variable filter the look no further. From the quality to the performance this thing does it well. The manner in which it reduces the glare from the sun or the ability to go wide open in bright sunlight is amazing, it does so beautifully without adding vignettes in the images. You can do so much with these, be it shooting in bright daylight, doing long exposure. The glass itself is quite good it also gives you that layer of lens protection. The price, the make and the quality makes this a must have.

The K&F Concept 82mm Variable ND Filter ND2 - ND400 from the Nano-K Series is an impressive addition to my photography gear, and it has significantly enhanced my outdoor shooting experience. First and foremost, the adjustable ND range from ND2 to ND400 is a game-changer for my outdoor photography. With the ability to control the amount of light entering my lens, I can now capture stunning long-exposure shots, even in bright conditions. This level of flexibility allows me to experiment with different creative effects and achieve professional-quality results. The ultra-slim design of the filter is a notable feature, ensuring there's no vignetting or image distortion during my shoots. I appreciate the thoughtful engineering that went into creating this filter, as it seamlessly fits onto my 82mm lens without adding any unnecessary bulk or weight. The multi-coating on the optical glass is excellent, minimizing glare and reflections to maintain the sharpness and clarity of my images. The quality of the glass is top-notch, and I haven't noticed any color casting or distortion, even when using the filter at its highest ND settings. Additionally, the waterproof feature is a huge plus for my outdoor adventures. I can confidently use the filter in challenging weather conditions without worrying about water damage or compromising image quality. The only reason I'm giving this filter a 4-star rating instead of 5 is that I've noticed a slight loss of sharpness when using the filter at its maximum ND settings. While this is expected to some extent with variable ND filters, it's worth mentioning for those seeking the highest level of image sharpness. In conclusion, the K&F Concept 82mm Variable ND Filter from the Nano-K Series is an excellent investment for any outdoor photographer. Its adjustable ND range, ultra-slim design, and high-quality glass make it a versatile and reliable tool for capturing stunning images in various lighting conditions. While there is a minor trade-off in sharpness at the highest settings, the overall performance and convenience of this filter make it a valuable addition to my photography kit. Thank you, K&F Concept, for creating such a fantastic filter that elevates my photography to new heights!

I had a photoshoot coming up which had the potential to be in blazing sunshine. I got this just incase. The day of the shoot comes and it's one of the sunniest days of the year so far. This attached directly onto my lens with 0 hassle in seconds and I took the best photo I've ever took on a shoot. Nothing more I can say. 10/10.

Love it. Works a charm. Using with my iPhone and it’s well worth it

Well packaged and delivered the next day. The filter itself feels to be of good built quality with a metal frame holding the glasses in place. The action to adjust the stops is smooth. I bought this mostly to save some bag space so I'm not having to either stack and carry multiple ND filters. Considering the price, the image quality is reasonable. I did not experience the dreaded X from the graduated filter. You can see some product and test images I did at home to test the product. ( the camera settings remained the same throughout the test images with adjustment on just the ND settings).

Used this in woodland on a series of waterfalls and found it so easy to use and so effective .

As you can see image quality In photo NO1, is fine Without Variable K&F Concept ND Filter on my 300mm Lens set to F8. You can now easily see image degradation in image quality In photo NO2, With Variable K&F Concept ND Filter applied on my 300mm Lens set to F8. The results were shocking beyond belief so I have returned the product. They must have sent me a faulty copy because nothing is this bad. I had the same results on my 180mm lens set to F/8. You can see photo number 3 without filter and photo number 4 with filter and a severely degraded image. Why is this? I do not know. I purchased a Tiffen Variable ND filter 5 years ago and had no degradation of image quality and wanted to try this cheaper version after seeing some YouTube video reviews showing them as ok. I am absolutely shocked by the results. I am curious to know if I am just the unlucky one who received a faulty filter

This is filter fits well into my lens! great quality

Güzel paketleme. Ürünü elinize aldığınızda premium hissiyat veriyor

Achterzijn 49mm voorzijde 52? Daardoor niet geschroefd met andere filters mee te nemen.

I usually work with Lee and NiSi filters but wanted to try out this budget filter because of the good reviews. I work with video and use variable ND filters for convenience. Sure, there is a color cast but this is not unique for this filter and can be solved by taking custom white balance AFTER the filter is on. Also there is some vignetting (at wide focal lengths) and softening but again this is not unusual for these kind of filters. I think this filter is good value for money and definitely useful in many camera bags.

Buen producto. Viene con mopas para limpieza, en una caja protectora para guardarlo de calidad. Lo he probado un momento sólo, pero me ha gustado.