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K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video

$31.19 $25.99
To United States Expedited Shipping 3-5 business days
SKU0129
  • Brand: K&F Concept
  • K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video Kit Includes: 77MM K&F Concept Filter Kit (ND2 to ND400) + Lens Cleaning Cloth
  • SKU0129
  • Availability: In Stock
  • 25.99
Buy 2+ items get 10% off !
K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
Wholesale
Features
  • • Kit Includes: 77MM K&F Concept Filter Kit (ND2 to ND400) + Lens Cleaning Cloth
  • • NOTE: This kit is compatible with all 77mm 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.
  • • Manufactured by a professional team for photography enthusiasts to provide a very exciting experience. 100% Satisfaction Guaranteed.
  • • High quality product made of import optics glass and resin,top level of transmittance. Metal sealing ring instead of the plastic sealing ring, better tightness, avoids fall or loose.
  • • Compatible with the CANON Rebel (T5i T4i T3i T3 T2i T1i XT XTi XSi SL1), CANON EOS (700D 650D 600D 550D 500D 450D 400D 300D 1100D 1000D 100D) with 77MM Lens wich include: EF 24-105mm f/4L IS USM, EF 17-40mm f/4L USM,EF 24-70mm f/4L IS USM, EF 24mm f/1.4L II USM.
ND FILTER
Reduces the amount of light entering the lens, thus decreasing camera shutter speed. Useful for situations where motion blur needs to be created (rivers, waterfalls, moving people) or large apertures must be used with flash to avoid overexposure.
Without ND Filter
Use Contrast
With ND Filter
Without ND Filter
With ND Filter
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
Without ND Filter
With ND Filter
Without ND Filter
With ND Filter
NO ND
ND8
ND64
ND1000
No Filter
ND2
ND4
ND8
ND16
ND32
Multiple layer nanometer coating
Reduction of reflection
Scratch Resistant
Nanometer Coating
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
NDnumber Optical density f-stop reduction Fractional transmittance
  0 0 100%
ND2 0.3 1 50%
ND4 0.6 2 25%
ND8 0.9 3 12.50%
ND16 1.2 4 6.25%
ND32 1.50 5 3.13%
ND64 1.8 6 1.56%
ND100 2 623 1%
ND128 2.1 7 0.78%
ND256 2.4 8 0.39%
ND400 2.6 823 0.25%
ND512 2.7 9 0.20%
ND1024/ND1000 3 10 0.10%
ND2000 3.3 11 0.05%
ND4000 3.6 12 0.025%
ND8000 3.9 13 0.0125%
ND32000 4.5 15 0.003%
Overall Rating   4.5   
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24/12/2019
4
Great deal for the price!
This is a very good deal, especially for the price. It works really well, easy to use, and the case that it comes in fits well in my camera bag.
Great deal for the price! Great deal for the price! Great deal for the price! Great deal for the price!
01/10/2018
5
Very good for the money ! Don't waste money on more expensive ND filters.
I like everything about it ! Those people giving it less than 4 stars, don't understand photography !
Very good for the money ! Don't waste money on more expensive ND filters. Very good for the money ! Don't waste money on more expensive ND filters.
08/06/2020
5
Good for the price
Good quality.
30/05/2020
5
Best ND Filter for the Money
No point in spending hundreds of dollars in ND filters when this does exactly what it needs to do. No strange tints, EXTREMELY subtle vignetting.
09/05/2020
4
Good For Smoothing Water
I like it for it's water smoothing capabilities. It's built well, screws on easily and the settings are clear and easy to distinguish. as others have mentioned you get some vignetting and dirty pics depending on how you have it set and what light is available. I'll keep it in the bag in case I need it for any special pics involving water smoothing. I should say I have a 10 stop fixed for another lens from them and it seemed to perform better, maybe because it wasn't variable??? I can't say for sure, just taking a guess as to why.
Filter
size 77mm
Transmittance
Multi-Coating
Antireflection
waterproof
scratch-resistant
HD
Filter Material Optical glass
Pattern
Filter Thickness 7.0mm
Shape Circle
Ring Material Aviation aluminum alloy
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These images belong to K&F Concept end users.

Image Lens Filter Size (mm)
135mm F2.0 ED UMC 135mm F2.0 ED UMC 77
3M-5A-MC 500mm f/ 8 3M-5A-MC 500mm f/ 8 77
3M-5A-MC 500mm f/ 8 3M-5A-MC 500mm f/ 8 77
Angenieux 28-70mm f/ 2.6 Angenieux 28-70mm f/ 2.6 77
Bower 24mm f/ 1.4 Bower 24mm f/ 1.4 77
Canon EF 100-400mm f/ 4.5-5.6 L IS II USM Canon EF 100-400mm f/ 4.5-5.6 L IS II USM 77
Canon EF 100-400mm f/ 4.5-5.6 L IS USM Canon EF 100-400mm f/ 4.5-5.6 L IS USM 77
Canon EF 16-35mm f/ 2.8 L USM Canon EF 16-35mm f/ 2.8 L USM 77
Canon EF 16-35mm f/ 4 L IS USM Canon EF 16-35mm f/ 4 L IS USM 77
Canon EF 17-35mm f/ 2.8 L USM Canon EF 17-35mm f/ 2.8 L USM 77