43mm Variable ND Filter ND2-ND400 (1-9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X Series

4.9 112 112 Review(s) KF01.2375
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Brand: K&F Concept
  • Free Shipping & 30-Day No Reason Return. K&F Concept ND Lens Filter is made of Japan-made top optical glass and can be adjusted 360 degrees. Waterproof and Scratch Resistant.
  • KF01.2375
  • SKU: KF01.2375
  • 39.99
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Description
  • * 【Import Optical Glass】Crafted from premium Japanese AGC optical glass with an astonishing 28 multi-layer coatings, this ND filter reduces reflections and glare, ensuring superior image quality.
  • * 【Putter Design for Precision】The frame is ingeniously designed as a putter, allowing you to accurately adjust the stop. Video shooting users can effortlessly adjust the stop with auxiliary tools. Every stop from ND2 to ND400 is conveniently marked on the frame, providing smooth 360-degree rotation for multi-scene applications.
  • * 【Waterproof & Scratch Resistant】Equipped with multi-layer hydrophobic, oil-proof, and scratch-resistant coatings on both sides, the K&F Concept ND filter is fully protected and perfect for adventurous use.
  • * 【No Vignetting】Designed for ultra-wide-angle applications, the ultra-slim frame measures only 7.4mm, ensuring no vignettes even at a 16mm focal length.
  • * 【Compatibility Note】This ND filter suits all 43mm lenses. Be sure to check your camera's lens thread size (usually beside a "ø" diameter symbol) before ordering. Additionally, an 46mm lens cap is required for this 43mm variable ND filter.

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$39.99
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Free shipping worldwide
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Multiple payment options:

Quality Guarantee

Kentfaith items enjoy [Quality Guarantee]. If the item you purchased has quality issues or problems caused by non-users and enjoys "Quality Guarantee", Kentfaith will provide comprehensive after-sales service.

No Reason Return

In order to improve your shopping experience at Kentfaith, the items you purchased (which doesn't apply to giveaways) can be returned for a refund for no reason (such as dislike, wrong purchase, and other non-product quality issues).

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Reviews (112)
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VIP1
Verified Purchase
5
No lens cap will fit except….
If you know who this brand cap is it will fit this filter. I just so happen purchase much lens from a buyer who included this cap with it and it totally fits perfectly. But your normal cap will not.

Anyway I love the filter it does a great job just be aware of the cross viniette.
No lens cap will fit except….
15/01/2024
VIP1
Verified Purchase
5
Surprising
I was afraid I would have problems being a variable ND with rare effects, and zero problems. Neither on the corners, nor at ND400, the truth is that a pleasant surprise for its price. It may have a little green tint, but with a correction of nothing in the Premiere I fixed it, between 5 and 10 points on the dye tab towards magenta and you're done. Highly recommended, you just need to have a cap like the ND2 and ND32 models that are the ones I usually use.
Surprising Surprising Surprising Surprising Surprising
15/01/2024
VIP1
Verified Purchase
5
Excellent photographic performance and material care
I got to try this filter for my Sigma 17-50, and the result is really amazing. The product looks great in its really great quality packaging and easy to carry in your bag.
The photographic performance is at a high level at a low price. I find the tongue very interesting, it allows you to have better grip during work.
Excellent photographic performance and material care Excellent photographic performance and material care Excellent photographic performance and material care
13/01/2024
VIP1
Verified Purchase
5
K&F Variable ND Filter Good Landscape Filter
I purchased the K&F Concept Variable ND Filter Neutral Density ND2-ND400 (9 stops) with Rotating Ring to be able to use a fast ND with different densities.
The packaging is very well done, solid and space-saving container. The glass filter is light and the ring to increase/decrease the density is smooth. It has no end stop lock.

To test it best I tried it with three different lenses on the Nikon D750 camera (full frame): 20mm, 35mm and 85mm.
- 20mm: in the photos taken with the filter there is no particular loss of sharpness, it introduces a slight hot dominant that can be easily solved in post-production. As far as the X-shape problem is concerned, it is quite marked using the filter beyond the marked ring. Instead, using it within the marked marking, the problem is little present. See image attached.
- 35mm: in the photos taken with the filter there is no particular loss of sharpness, it introduces a slight hot dominant that can be easily solved in post-production. As far as the problem is concerned, X-shape is not as marked as in the previous one, but there is a vignetting especially in the use with maximum effect. See image attached.
- 85mm: in the photos taken with the filter there is no particular loss of sharpness, it introduces a slight hot dominant that can be easily solved in post-production. As far as the X-shape and vignetting problem are concerned, they are not relevant. See image attached.

Optically, the filter is well made and provides excellent results, but I would have preferred a start and end run with lock in order to avoid possible mistakes. Also considering that K&F produces other types of filters but with magnetic connection, I think it could be a further plus for this filter.

The price/performance ratio is correct based on the performance provided.

I attach more photos of the packaging and two shots to the sea.
K&F Variable ND Filter Good Landscape Filter K&F Variable ND Filter Good Landscape Filter K&F Variable ND Filter Good Landscape Filter K&F Variable ND Filter Good Landscape Filter K&F Variable ND Filter Good Landscape Filter K&F Variable ND Filter Good Landscape Filter
11/01/2024
VIP2
Verified Purchase
5
Excellent Variable ND filter
Quality, Glass, stop selection. Excellent filter optically superior, image quality, and light control superb.
Excellent Variable ND filter Excellent Variable ND filter
09/01/2024
5
Superb Professional Filter
Very surprised by the quality of the filter, it's from the professional nothing to say. The materials are good and the glass super. The adjustment wheel is very smooth and makes it easy to change the density of the filter. No need to have 4 different filters. possibility to shoot video in full day at the largest aperture. I love it!
It also comes with its small carrying case which is very sturdy and makes it easy to carry without fear of scratching
Superb Professional Filter Superb Professional Filter
06/01/2024
VIP1
Verified Purchase
5
ND2-400 K&F Concept 77mm filter
K&F Concept is synonymous with quality. I already had other filters in kit, albeit quite old and with several years of service behind me. By virtue of my imminent photographic journey, I decided to opt for something new, always relying on them. I will tell you in detail what, in my opinion, are the pros and cons of this new product of theirs.
First of all, the packaging is really great: the box is made of very strong cardboard, impossible even to fold, and then the magnetic opening is very pleasant. The filter is stored in a leatherette case with magnetic closure and not plastic, which gives the product a finish that we can call 'premium'. Inside, wrapped in a protective bag, the filter. It is a fairly heavy piece, already to the touch it gives a great impression. The body is made of aluminum, the glasses are of excellent finish. Very thin (and this is good because this reduces any loss of sharpness), waterproof and scratch-resistant. Very pleasant (and very useful!) the orange little thing you need to change the intensity of the filter itself: the only drawback is not having a limited stroke during rotation, but it's not a big deal, since the limitations ND2 and ND400 are indicated right on the end of the filter itself. In any case, the filter was built in such a way that, even if you go beyond the limits, the annoying 'X' shadow does not show up. For the time being, I had the opportunity to try it only in the city on a somewhat ugly day, in the coming days I hope to integrate this review of mine with other shots in the mountains.
Who is the filter addressed to? Surely for those who love landscape photography or for those who want to do long exhibitions in the city (remaining within the limits of 9 stops): of course, the product is not the cheapest on the market, but that's enough try it for a while to understand that it's worth every penny you spend. I'm not a photography
ND2-400 K&F Concept 77mm filter ND2-400 K&F Concept 77mm filter ND2-400 K&F Concept 77mm filter ND2-400 K&F Concept 77mm filter
05/01/2024
5
Le filtre qu’il vous faut !
Le filtre ND variable de K&F Concept est un excellent choix pour les photographes à la recherche de polyvalence. Sa plage de réglage de ND2 à ND400 offre une grande adaptabilité pour contrôler la lumière dans différentes situations, ce qui permet de capturer des images nettes et bien exposées même en conditions de luminosité changeantes. Sa qualité de construction solide et sa compatibilité avec des objectifs de 77mm en font un accessoire fiable pour améliorer la qualité de vos photos.
30/12/2023
VIP2
Verified Purchase
5
Variable Abdunkelung ist sehr präzise einstellbar
Ich nutze den Filter für die Landschaftsfotografie bei der Langzeitbelichtung von Wasseroberflächen.

Pro:
- Sehr gute Einstellbarkeit der Abdunkelung
- Filter präzise gearbeitet und lässt sich leicht drehen
- Kleiner Hebel macht das Einstellen leichter - allerdings bleibt er auch gerne an der Kammertasche hängen beim entnehmen oder zurückstecken der Kamera
- Keine optischen Fehler feststellbar (Flares, Schärfeverlust...)

Contra:
- Baut einigermaßen lang und daher erhalte ich bei 24mm Brennweite bereits eine sichtbare Randabschattung
24/12/2023
VIP1
Verified Purchase
4
Seems pretty good
I bought this for my iPhone, and never found an adapter with decent enough ratings to buy yet. However, while holding it in place as I take pictures of record some video footage, it is actually surprisingly good. I'm not sure if the same experience would translate to a Camera, but overall seems like a pretty good product.
18/12/2023
FAQs
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A
Hi, this is unlimited 1-9 stops variable nd filter, can be adjusted 360 degree, thanks 
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A
Hi, this is unlimited 1-9 stops variable nd filter, can be adjusted 360 degree, thanks 
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A
choose a cap that is one size bigger than the filter 
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A
choose a cap that is one size bigger than the filter 
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A
Hi, this is our Nano-X series filter, with 28 multi-coating, high definition, the largest focal length without vignetting is 16mm, thanks. 
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