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Molybdenum Reflective Lens for CO2 machine Engraving Machines, 20-38.1mm, High Reflectivity Optical Accessory, 1PCS(30mmx3mm)

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

D131 F700/F1200 Double Separation Green Film Objective Lens- 131mm Caliber, 1200mm/700mm Focal Length(D131 F1200)

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm H-K9L Glass 0.1-1.0 1 PCS(Square 50x50mmx0.5)

D80 80mm Astronomical Telescope Objective Lens - Double Separation Achromatic Refractive Glass...

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D7 x 1mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications(D13 x 1mm)

Zinc Selenide machine Focusing Lens - 10.6um Wavelength, Compatible with Various Systems(D16/F101.6mm)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(30x1mm Coating)

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

Zinc Selenide machine Focusing Lens - 10.6um Wavelength, Compatible with Various Systems(D19/F63.5mm)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(20x3mm 2-Sided AR Coating)

Monocrystalline Silicon Infrared Lenses with Anti-Reflection Coating for Electronic Sensors Key (30...

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

High Precision Optical Sapphire Window - Premium Lens 1 Piece (10 x 5 mm)

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

Zinc Selenide (ZnSe) Focus Lenses: Precision optical accessories with multiple diameters and...

Premium Molybdenum Reflector Lens for CO2 machine Cutting Machines - 20mm, 25mm, 30mm Options-1pc(19.05mm*3mm)

D131F1200 Double Separation Monolayer Blue Film Objective Lens for Astronomical Telescopes -...

Lens Converter for Microscope - 3/4/5 Holes, Turntable with Metal RMS 20.2mm...

Calcium Fluoride (CaF2) Lens - Ideal Infrared Optical Window for High-Energy machine...

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

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

High-Purity JGS1 Quartz Glass Flakes - Polished U-V Optical Window(50 x 10mm)

Zinc Selenide (ZnSe) Focusing Lenses- Precision Optical Accessories with Multiple Diameters and Focal Lengths(25mmx63.5mm)

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

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

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

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(50x2mm Coating)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(11.8x1mm 2-Sided AR Coating)