77mm Variable ND2-32 Filter Nano-X PRO Series - HD Ultra-Thin Copper Frame, 36-Layer Anti-Reflection Green Film
SKU: KF01.1998
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There is a front thread, allowing another filter to be installed in front of the black soft filter, as long as the larger diameter is the same. For example, the filter is 67mm, then you need to install 72mm
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The hood cannot be installed. In order to avoid the problem of vignetting, the filter especially increases the aperture of the clear light, and the outer diameter of the frame is also increased.
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The lens cap can be attached, but need to add 1 size lens cap. For example, if you buy a 67mm filter, then you need to install a 72mm lens cap.
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All adjustable ND filters have this problem. The larger the focal length used, the less the cross shadow will be affected. There will be obvious cross shadows and vignetting in the large light reduction gear. If you continue to rotate, the shadows will disappear naturally. This is a physical phenomenon, not a product problem.
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36-layer K&F Concept exclusive coating technology
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5 gears adjustable
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By design, we can avoid using this filter on non-wide-angle lenses without vignetting. If your focal length is less than 24mm, it may still occur.
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Brass, CNC one piece is hard and flexible for smooth installation and durability.