39MM UV Filter Ultra Slim Japan Optics Multi Coated Ultraviolet Protection Lens Filter
SKU: KF01.K39
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I don't know about wavelengths. It blocks ultra violet light. The most noticeable effects are that A) it makes blue sky much darker at right angles to the sun and B) it will cut out reflections from the surface of water.
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hello , the more expensive filter is Nano coating and scratch-resistant. this filter only Multi Coated, it is helping repel water, dust but no scratch-resistant.
the 82mm filter for 77mm lens, you need a 77-82 mm filter adapter.like this item
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new technology i guess, cnc Trapezoidal thread forms are screw thread profiles with trapezoidal outlines which helps more friction when screwing. Very easy to install.
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hello , the more expensive filter is Nano coating and scratch-resistant. this filter only Multi Coated, it is helping repel water, dust but no scratch-resistant.
the 82mm filter for 77mm lens, you need a 77-82 mm filter adapter.like this item
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new technology i guess, cnc Trapezoidal thread forms are screw thread profiles with trapezoidal outlines which helps more friction when screwing. Very easy to install.
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hello, The K&F Polarizers Filter Multi Resistance Coating (MRC) helping repel water, dust & grease, while also preventing ghosting
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hello, The K&F Polarizers Filter Multi Resistance Coating (MRC) helping repel water, dust & grease, while also preventing ghosting
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The filter thread has a standard pitch of 0.75mm.
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Hello, this is a high end filter kit. Of course these filters are made of optical glass. Regards.