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Optical glass triangular prism Equilateral prism

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Optical BK7 Fused quartz glass concave-convex lens for camera Optical positive meniscus lens uncoated

BK7 Optical Glass Fused Silica Penta Prism Binoculars Cylindrical Prism

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OEM Half Penta Optical Glass BK7 Prism Cylindrical Prism

Quartz glass rod lens Transparent quartz glass rod Borosilicate glass tube rod

optical 570nm green bandpass filter band width 180nm glass filter

optical 570nm narrow bandpass filter bandwidth 18nm 20nm glass filter

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Transparent Optical Round Flat Glass 40mm BK7 Protective Window Sheet

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