77mm Black Diffusion Mist 1/4 & Variable ND2-32 2-in-1 Filter Cinematic Effect Neutral Density Filter for Camera Lens with 18 Multi-Layer Coatings - Nano-Klear Series
SKU: KF01.2863V1
Q
Why does vignetting occur?
Answer Question
A
All adjustable ND filters will have this problem. The larger the focal length used, the smaller the impact of the cross shadow. There will be obvious cross shadows and vignetting at large light reduction gears. If you continue to rotate, the shadow will disappear naturally. This is a physical phenomenon, not a product problem.
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