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Brand: K&F Concept
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Series: Nano Series
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Model: 1/4 Black Diffusion Lens Filter
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Sizeφ: 49/52/55/58/62/67/72/77/82 MM
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Material: Optical glass & Aluminum alloy
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Frame: Unique slim design
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Frame Thickness: 0.13in
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Coating: Multiple Layer Nanometer Coating
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Laser engraving fonts