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The FSQ-U340 Visible Absorbing Filter is a 50.8 x 50.8 mm dark glass optical filter that passes UV and absorbs visible wavelengths made of Hoya U-340 filter glass. These filters are precision polished for demanding research or OEM applications and are ideal for extraction of UV wavelengths.
Warning - this filter is extremely susceptible to high humidity. The filter will absorb moisture, and discoloration may happen. Please store this in a low humidity environment. We offer the
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FSR-OG570 Longpass Filter, Colored Glass, 25.4 mm, 570 nm Cut-on, OG570 Glass | UNIVERSAL |
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CYM-2R Cylindrical Lens Mount, Adjustable, 50.8 mm Max, +/- 5 Deg., 2 arcs sec | UNIVERSAL |
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