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High-Purity JGS1 Quartz Glass Flakes - Polished U-V Optical Window(50.8 x 10mm)

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

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)

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

Premium Molybdenum Reflector Lens for CO2 machine Cutting Machines - 20mm, 25mm, 30mm Options-1pc(38.1mm*5mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D50 x 2mm)

D106 F600/F900 Astronomical Telescope Single membranes Mirror Lens - 106mm Caliber with...

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D25.4 x 3mm)

Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm H-K9L Glass 0.1-1.0 1 PCS(Round 25mmx0.7)

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(25x38.1mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D30 x 3mm)

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

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

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(25x63.5mm)

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

Germanium Infrared Lens - Double-Sided Coating, 3-100mm Diameter -1pc(D70 x 2mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications (D30 x 1mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications(D20 x 1mm)

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

APO Flat Field Full Complex Achromatic Objective Lens - Metallographic Ultra Long Working Distance(5x)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(50x3mm Coating)

High Quality Barium Fluoride Optical Lenses, BaF2 Infrared Windows, Various Sizes Available-1 Piece (13x1mm)

Circular Linear Polarizer - 2.5mm Thickness, 400nm-700nm Wavelength, 1000:1 Extinction Ratio-1pc(12.7mm EXT 1000:1)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging - 1pcs(60x2mm Coating)

High-Precision Optical Window - Premium Lens -1pc(10 * 15 5mm)

High Performance Infrared Fluoride (BaF2) Lens: Optical Window for UV/IR Applications(D10 x 1mm)

High Precision Coated Monocrystalline Silicon Substrate Window Wafer- 25-105mm Diameter, 0.5mm Thickness(27mm)

D70 Refractive Astronomical Telescope Objective Lens Set - 300mm to 900mm Focal...