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Optical Glass Window Piece - Cubic Reference Mirror λ/4 Surface for Precision...

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm, H-K9L Glass, 0.1-1.0, 1 PCS(Square 50x50mmx0.6)

Fluoride Infrared Optical Window Lens (BaF2) - High Transmittance and Durability for...

D154 154mm Single Layer Broadband Telescope Lens for F750/F1200 - Dual Separation...

APO Flat Field Complex Achromatic Lens - 2X, 5X, 10X, 20X, 50X (20x) Magnification

Sheet for Optical Gallium Arsenide Lenses - GaAs Focusing Strong Light Applications...

Calcium Fluoride (CaF2) Lens Infrared Optical Window U-V Transmission to Medium D10-D150...

Fluoride optical lenses: 1 x BaF2 infrared window, multiple (10 mm to...

Monocrystalline Silicon Infrared Lenses with Anti-Glare Coating for Sensors and Electronic Detectors (35x2mm)

Microscope Objective Converter - 3/4/5 Holes RMS 20.2mm, Metal Lens Rotating Plate...

Coated Monocrystalline Silicon Substrate Window Wafer - 25-105mm Diameter, 0.5mm Thickness for...

ZnSe Focusing Lenses for Optical Welding Machines - 12mm to 28mm Diameter,...

Molybdenum Reflective Lens for CO2 Engraving Machines, Diameter 20-38.1 mm, Power 0-100W,...

20mm Neutral Density Filter with Mounting Bracket - Optical Pack of 1,...

20mm Neutral Density Filter with Mounting Bracket - Optical 1 Piece, Transmittance...

20mm Neutral Density Filter with Mounting Bracket - Optical 1 Piece, Transmittance...

Barium Fluoride (BaF2) Infrared Optical Window Lens - High Transmittance and Durability...

Optical Lens for Microscope - Focal Length 180mm and 200mm (F=200mm)

D70 Refractive Astronomical Telescope Lens Kit - 300mm to 900mm Focal Length...

Fluoride optical lenses: 1 x BaF2 infrared window, multiple (10 mm to...

JGS1 High Purity Quartz Glass Flakes - Polished U-V Optical Window for...

20mm Neutral Density Filter with Mounting Bracket - Optical 1 Piece, Transmittance...

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm, H-K9L Glass, 0.1-1.0, 1 PCS(Round 12.5mmx0.2)

Neutral Density Optical Filter Sheet 12.5mm/25mm/50 x 50mm, Glass H-K9L, 0.1-1.0, 1...

Neutral Density Optical Filter Sheet-12.5mm/25mm/50x50mm, H-K9L Glass, 0.1-1.0, 1 Unit(Round 12.5mmx0.3)

Molybdenum Reflective Lens for CO2 Engraving Machines, Diameter 20-38.1 mm, Power 0-100W,...

Sheet for Optical Gallium Arsenide Lenses - GaAs Focusing Strong Light Applications...

Optical Glass Window Piece - Cubic Reference Mirror λ/4 Surface for Precision...

Double Separation Multilayer Green Film Lens D131 F700/F1200 for DIY(D131F700) Astronomical Telescopes

Barium Fluoride Optical Lenses - 1 Piece Infrared BAF2 Window, Multiple (10x1mm...