When combined with a wide-angle lens, lower-frequency wavelengths of visible light associated with yellow, orange, and red colors passing through the filter and along that lens type's curved edges can be impeded in a significantly greater degree than higher-frequency wavelengths of visible light associated with blue and violet colors.
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【Professional Filter for Portrait Photography】 This black soft filter could soften the wrinkles, freckles and pores of facial skin, making it more delicate, plump and gorgeous. The hazy film effect can be better realized, showing dreamily film effect.
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Rare vintage filter never used and from my personal collection
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In outdoor settings, the ZWB2 shines by leveraging the sun’s rich UV output. The ZWB2’s ability to isolate UV-A wavelengths ensures that you capture crisp, high-contrast UV images without the interference of visible light.
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(CPL Filter - Standard). Design: MC - UV (green film) or CPL (standard polarizing). 1 x CPL Filter (standard). UV Protection: Blocks harmful UV rays—reduces haze, sharpens outdoor photos, and protects your lens from scratches.
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High Index Optical Glass.
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FLD Fluorescent Correcting filter. 1x FLD Filter. CPL Circular Polarizer filter. 1x CPL Filter. The rings are double-threaded, so you can stack filters as needed, and you can even put your lens cap on over the filters.
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This enables the filter to be lighter and also suitable for usage on wide angle lens without vignette (darken of 4 corners). This Kood UV filter is made of optical glass and is multicoated. The optical glass are grounded and polished to achieve an ultra thin thickness of 1.4mm.
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