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

$31.19 $25.99
SKU: 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
  • 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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K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
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.
K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
06/11/2019
5
Good deal
It works great
K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
30/10/2019
3
Extreme vignetting
Overall I like it, but you can't stop it down much without getting extreme vignetting. Spend the extra $ on the next step up.
K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
25/10/2019
5
Amazing
I have 3 of theses in different sizes
K&F KV31 77mm ND2 to ND400 Variable ND Filter For Video
19/09/2019
5
Great product for a good price!
Works great. Great materials as well.
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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