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K&F XV39 82mm Variable ND8-ND128 Filter Nano Coated

$69.99
SKU: KF01.1080
  • Brand: K&F Concept
  • K&F XV39 82mm Variable ND8-ND128 Filter Nano Coated Made by german optical glasses, reduces the intake of light without affecting the overall color balance.
  • Availability: In Stock
  • 69.99
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K&F XV39 82mm Variable ND8-ND128 Filter Nano Coated
Wholesale
Features
  • • Made by german optical glasses, reduces the intake of light without affecting the overall color balance.
  • • Nano coating layer technology, waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens.
  • • NO "X" cross on images.
  • • Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention.
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   5   
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K&F XV39 82mm Variable ND8-ND128 Filter Nano Coated
06/10/2019
5
Great value, the darker version is hugely useful for video.
The darker version of this is utterly indispensible for LOG video with high ISOs forced by the camera, combined with fast lenses you'd like to open up for depth control/"bokeh". And only the wildly expensive PolarPro has a similar option. And while I suppose the PolarPro might be somehow better - I'm simply not rich enough to find out! In the meantime the K&F has served very well. I use this primarily on a Fuji X-T3 with f1.2 and f1.4 prime lenses, shooting F-LOG at the required minimum 640 ISO. Secondarily on a Fuji X-H1 (800 ISO LOG!) and even a Nikon D750 for occasional stills.** Hey K&F! Do you read reviews? I wish you offered the dark version in smaller diameters (e.g. 62mm) as I'd get another to use with the majority of my prime lenses with no step-up ring. **
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