49mm Variable ND32-ND512 Adjustable Filter NO X Spot 28 Multiple Layer-Nano X Series
SKU: KF01.1467
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There is a front thread that allows another filter to be mounted in front of the Black Mist filter, as long as the two larger diameters are the same. For example, the filter is 67mm, then you need to install 72mm
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7.4mm
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Hello, the VND filter is 5 stop adjustable.
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Yes, the Variable ND Filter is HD imaging.
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The design allows us to avoid vignetting when using this filter on non-wide angle lenses, but it can still occur if your focal length is less than 24mm.
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The cover cannot be installed. In particular, to avoid the problem of vignetting, the filter increases the opening of the clear light, and the outer diameter of the frame is also increased.
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Lens caps can be installed, but lens caps need to be increased by 1 sizes. For example, if you buy a 67mm filter, you need to attach a 72mm lens cap.
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All variable ND filters have this problem: the larger the focal length used, the less the cross shadow is affected. In the large light reduction gear, cross shadow and vignetting appear obviously. As you keep rotating, the shadows will naturally disappear. This is a physical phenomenon, not a product problem.