28-layer nano coating The K&F Concept coating technology gives the filter a very low reflectivity, which ensures good light transmission, reduces scattered light and ghosting, prevents glare and does not affect the original performance of the lens.
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8K The filter set is waterproof, dirt-proof and scratch-resistant with HD.
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optical glass The lenses are made from Japanese optical glass with multi-coating, thus ensuring excellent durability of the filter.
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