- Anti-reflection:Yes
- Density:0.9 to 2.1
- Effect:Cuts light by 87.5% to 99.22%
- Grade:Japanese AGC glass
- High Definition:Yes
- Nano Coating:28-layers
- Reduces Exposure by:3 to 7 Stops
- Reflectivity:0.002
- Scratch-Resistant:Yes
- Waterproof:Yes
IMAGES
VIDEOS
Machining Technology of K&F Concept Filters
Way of selecting correct lens filter size
K&F Concept Variable Neutral Density Filter ND8 to ND128
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