52mm Variable ND2-ND400 (9 Stop) Filter - Waterproof Scratch Resistant Nano-X Series

5 47 47 Review(s) KF01.1459
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C$74.99
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Brand: K&F Concept
  • Free Shipping & 30-Day No Reason Return. K&F Concept ND Lens Filter is made of Japan-made top optical glass and can be adjusted 360 degrees. Waterproof and Scratch Resistant.
  • KF01.1459
  • SKU: KF01.1459
  • 74.99
Buy 99C$-15C$,199C$-35C$, 299C$-55C$, 599C$-130C$ (Prime Day)
Money back guarantee
30-day refund or replacement
30-day refund or replacement
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Multiple payment options
Multiple payment options
Features
  • * 【Import Optical Glass】This ND filter is made by importing Japanese AGC optical glass, a total of 28 multi-layer coatings, effectivly reducing reflection from the filter itself and glaring, ensuring high-quality image.
  • * 【Putter Design】This filter frame designed as a putter can help you accurately adjust the stop, for video shooting users can automatically adjust the stop via auxiliary tools, each stop from ND2 to ND400 be marked on the frame conveniently for 360-degree rotation to adjust the stop, multi-scene application.
  • * 【Hydrophobic & Scratch Resistant】 Both glass sides of K&F Concept ND filter with multi-layer hydrophobic, oil-proof, and scratch-resistant coating, protecting the nd filter from all round, suitable for an adventure using.
  • * 【No Vignetting】For the filter designed with an ultra-wide-angle design, the ultra-slim frame is only 7.4mm, supporting in 16mm telephoto and wide-angle lens no vignetting, due to the difference in lens type and focal length so this filter might be met dark"X" cross, this isn't the quality problem, it can disappear via rotating the filter.
  • * 【Note】This nd filter is compatible with all 49mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol. New and old packages are sent randomly
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Brand Story
K&F Concept Variable ND2-ND400 Filters
K&F Concept Variable ND2-ND400 Filters
K&F Concept Variable ND2-ND400 Filters
K&F Concept Variable ND2-ND400 Filters
Q&A
Q1: How does ND2-400 work?
A1: Two sets of polarizers with high transparency are used to control the amount of light entering the lens through the filter.
Q2: Can the original lens cap be used for ND2-400?
A2: In order to prevent vignetting, the ND2-400 is designed with an ultra-wide angle structure. The front port diameter of the filter is one size larger than the original aperture of the lens, so the lens cap needs to be one size larger than the lens aperture. For example, the 77mm ND2-400 Need to use 82mm lens cap.
Q3: Does ND2-400 have a color cast?
A3: Due to the use of polarizing film to control the amount of light entering, color cast is a common phenomenon among all adjustable NDs on the market. KF relies on mature manufacturing technology and fine coating technology to minimize the polarization effect of the polarizing film.
Q4: Does ND2-400 have vignetting?
A4: Using Nikon Z 7 and Nikor 14-30mm Sline test, 14mm vignetting is not obvious, 16mm has no vignetting.
Q5: Does ND2-400 have a cross shadow?
A5: The maximum aperture of an ultra-wide-angle lens below 24mm will have a slight cross shadow in the 1-5 gear dimming. The longer the focal length used, the smaller the effect of the cross shadow. There will be obvious cross shadows and vignetting in the large gear of dimming. If you continue to rotate the shadows, the shadows will disappear naturally, which is a physical phenomenon and not a product problem.
Functions of ND2-400
Functions of ND2-400
1. Under the premise of ensuring the best iso and not changing the aperture, the shutter speed can be freely changed according to the desired effect
2. Under the premise of maintaining the same shutter speed, a large aperture exposure can be used to create a blurred background effect
3. Even with a shutter speed of 1/8000 sec, the maximum aperture of F1.4 or F1.2 may cause overexposure. In this case, the ND2-400 can easily eliminate overexposure and retain highlight details.
4. Adjustable ND has more applicable ranges and applicable scenarios. If you pursue the ultimate picture quality, it is recommended to choose a fixed value ND.
unique push rod design, easy to adjust
unique push rod design, easy to adjust
Filter pouch included
Filter pouch included
9 stops can be adjusted for different scenarios
9 stops can be adjusted for different scenarios
ND2-ND400 (9 Stops) Variable ND Filter
Comparison
Rating 47 reviews. 21 reviews. 103 reviews. 45 reviews. 8 reviews. 31 reviews.
Price C$74.99 C$76.99 C$58.99 C$95.99 C$85.99 C$59.99
Model KF01.1459 KF01.1847 KF01.1058 KF01.1320 KF01.1809 KF01.1074
Resolution
Light reduction effect 1 Second Switch/No X cross/Light reduction effect No X cross/Light reduction effect Remove glare/No X cross/ Light reduction effect Soft highlight/No X cross/Light reduction effect No X cross/Light reduction effect
zoom range
Video Shooting/Landscape Photograhy Video Shooting/Landscape Photograhy Video Shooting/Landscape Photograhy Video Shooting/ Landscape Photograhy Video Shooting/ Landscape& Potrait Photograhy Video Shooting/Landscape Photograhy
Screen
Nano-X series Nano-X series Nano-X series Nano-X series Nano-X series Nano-X series
light source
0.3 to 2.7(1 to 9 Stops) 0.3 to 1.5(1 to 5 Stops) 0.3 to 1.5(1 to 5 Stops) 0.3 to 1.5(1 to 5 Stops) 0.3 to 1.5(1 to 5 Stops) 0.9 to 2.1(3 to 7 Stops)
Filter Material
Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass
Multi-Coating
28 28 28 28 28 28
waterproof
scratch-resistant
HD
Reviews (47)
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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
13/03/2023
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….
18/02/2023
5
WORKS GREAT EVEN IF THE SUN IS NOT AT A 90 DEGREE ANGLE TO YOUR CAMERA LENS.
OUT CLASSES A STANDARD CICULAR POLARIZER. BETTER QUALITY PHOTOS.
05/02/2023
5
Good product KF
I couldn't keep it but it was an excellent product, Finally the only one where there was no vignetting on the 20mm lens at ND400
21/01/2023
5
the best product
great product. picture quality and works as lens protector as well. i am loving it.
the best product
12/01/2023
5
Useful for long exposure with a smartphone
Wide diameter and easy to adjust. Comes in a protective box for transporting it.
I fancied trying some long exposure shots with my smartphone. I already had bought fixed filters but there was no adjustment to them without shooting through several layers of glass. Thought I'd try this one as it was adjustable. It's like having two polarising filters mounted together and is infinitely variable from light to very dark just by twisting the frame.
It does take a bit of fiddling and post editing to get some natural colour back, but it did what I wanted it to and am waiting for some better weather to spend a bit more time tatting with it. Its is big enough to cover all the lenses on the back of the phone with room to spare for hand movement though you do need to hold it very close.
Obviously a tripod is needed and a steady hand is helpful.
It was suitable form my needs and I recommend it.
Useful for long exposure with a smartphone Useful for long exposure with a smartphone
11/01/2023
5
Decent addition to my kit
I’m new to photography but this filter has really helped make take new photos I couldn’t before ok slow shutter speeds, the delivery was very quick and delivered safely
Decent addition to my kit
04/01/2023
5
Works well with Canon Camera
The MD filter is easy to set up with your camera. I used it with my Canon M6. I tested it out making a video outside using the filter. I found it worked well and helped me lower the Aperture Aperture using my lens.
Works well with Canon Camera
30/12/2022
5
I dont have experience with other filters.
You can feel some vignette, in this filter it is from half to max. Everything else, like the picture quality, sharpness, fits the lense etc, is really good. It is'nt bad for the value of this amount money!
I dont have experience with other filters.
25/12/2022
5
Must buy!
Great for DSLR filming. In fact, it’s a MUST!
18/12/2022
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Video
Variable ND Filter ND2-ND400 (9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X II Series
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Specification
Gimbal Stabilizers
Product 0.2%
Filter
Resolution Light reduction effect
zoom range Video Shooting/Landscape Photograhy
Screen Nano-X series
light source 0.3 to 2.7(1 to 9 Stops)
Filter Material Japanese AGC Glass
Multi-Coating 28
waterproof
scratch-resistant
HD
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