Optolong Variable Polarizer Filter - 2"

Starizona Verified independent store

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Quality Filter Materials: Schott B260 substrate material from Germany, 2.0mm thick CNC machined and black anodized aero-metal filter cell that is ultra-thin to provide largest clea r aperture; Laser-engraved to prevent fading Multiple layers of anti-reflection non-cementing coatings applied via electron-beam gun evaporation with Ion-assisted deposition Optolong Filter Manufacturing Processes and Parameters Filter substrate is fine-optically polished to 1/4 wave and Show more