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High Performance Calcium Fluoride (CaF2) Lens: Infrared Optical Window Ideal for Energy...

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(20x76.2mm)

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

High Quality Fluoride Optical Lenses - BaF2 Infrared Windows, Various Sizes Available 1 Piece(30x1mm)

Molybdenum Reflective Lens for CO2 machine Engraving Machines, 20-38.1mm, High Reflectivity Optical Accessory, 1PCS(25mmx3mm)

High Performance Calcium Fluoride (CaF2) Lens: Infrared Optical Window Ideal for Energy...

D154mm Multilayer Broadband Film Telescope Lens for 1200/750mm Focal Length - Superior Astronomical Observation(D154/F750)

Circular Linear Polarizer - 2.5mm Thickness, 400nm-700nm Wavelength, 1000:1 Extinction Ratio-1pc(30mm EXT 100:1)

77mm Kaleidoscope Camera Lens Filter-Vortex Effect-Compatible with 49mm, 52mm, 55mm, 58mm, 62mm,...

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D12.7 x 2mm)

20mm Neutral Density Filter with Mounting Bracket - C-Mount/SM1 Compatible, Optical Filter,...

Premium Molybdenum Reflector Lens for CO2 machine Cutting Machines - 20mm, 25mm, 30mm Options-1pc(30mm*3mm)

High-Purity JGS1 Quartz Glass Flakes - Polished U-V Optical Window(10 x 2mm)

Zinc Selenide machine Focusing Lens - 10.6um Wavelength, Compatible with Various Systems(D20/F101.6mm)

Circular Linear Polarizer - 2.5mm Thickness, 400nm-700nm Wavelength, 1000:1 Extinction Ratio-1pc(50.8mm EXT 1000:1)

Uncoated Crystal Optical Window 10mm to 300mm Diameter for Infrared & U...

77mm Kaleidoscope Camera Lens Filter-Vortex Effect-Compatible with 49mm, 52mm, 55mm, 58mm, 62mm,...

Zinc Selenide (ZnSe) Focusing Lenses- Precision Optical Accessories with Multiple Diameters and Focal Lengths(15mmx38.1mm)

Molybdenum Reflective Lens for CO2 machine Engraving Machines, 20-38.1mm, High Reflectivity Optical Accessory, 1PCS(38.1mmx3mm)

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm H-K9L Glass 0.1-1.0 1 PCS(Square 50x50mmx0.7)

D60 Achromatic Objective Lens for DIY Astronomical Telescopes - Focal Lengths 360mm...

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm H-K9L Glass 0.1-1.0 1 PCS(Round 25mmx0.4)

Lens Converter for Microscope - 3/4/5 Holes, Rotating Plate with Metal RMS...

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(19.05x63.5mm)

High Performance Calcium Fluoride (CaF2) Lens: Infrared Optical Window Ideal for Energy...

High Precision Optical Sapphire Window - Premium Lens 1 Piece (33 x 4 mm)

High Precision Optical Sapphire Window - Premium Lens 1 Piece (32 x 2.4 mm)

Zinc Selenide machine Focusing Lens - 10.6um Wavelength, Compatible with Various Systems(D18/F76.2mm)

Zinc Selenide (ZnSe) Focusing Lenses- Precision Optical Accessories with Multiple Diameters and Focal Lengths(25mmx101.6mm)

High Quality Fluoride Optical Lenses - BaF2 Infrared Windows Various Sizes Available...