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D154 F1200 HD Astronomical Telescope - Dual Lens Device with Multilayer Coating...

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

Germanium Lens with AR+DLC Coating for Optical/Thermal Imager Thermometer - 1pcs(15x2mm 2-Sided AR Coating)

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

Light Filter for Black and White Photography - Optical Glass Color Correction...

Circular Linear Polarizer - 12.7 mm, 25.4 50.8 mm Superior Light Control...

Monocrystalline Silicon Infrared Lenses with Anti-Reflection Coating for Electronic Sensors - 3-5 Micron, Various(11x3mm)

Light Filter for Black and White Photography - Optical Glass Color Correction...

Zinc Selenide Machine Focusing Lens - 10.6um Wavelength, Anti-Glare Coating, Precision Optical Component (D19/F50.8mm)

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

Neutral density Optical Filter Sheet-12.5mm/25mm/50x50mm-optical 0.1-1.0-Glass H-K9L 1pcs.(Square WxL50x50mm Density0.5)

Gallium Arsenide Optical Lenses Sheet - GaAs Focusing with Various Focal Lengths...

Neutral Density Optical Filter Sheet 12.5mm/25mm, Size 50x50mm, 0.1-1.0, H-K9L Glass, 1 Unit(Round 12.5mmx1)

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

Zinc Selenide Machine Focus Lens: 10.6µm Wavelength, Anti-glare Coating, Precision Optical Component(D16/F101.6mm)

Ultrafine Magnesium Fluoride Crystal Substrate (MgF2) - High Purity Optical Window Sheet...

Gallium Arsenide Optical Lenses Sheet - GaAs Focusing with Various Focal Lengths...

Coated Monocrystalline Silicon Substrate Wafer for Infrared Applications - 25-105mm Diameter, 0.5mm Thickness (62mm)

Monocrystalline Silicon Infrared Lenses with Anti-Reflection Coating for Electronic Sensors - 3-5...

Absorption Type Neutral Density Optical Filter - Square Attenuation Sheet 50x50mm, Transmittance...

Calcium Fluoride Lens (CaF2) - Infrared Optical Window for Mechanical Applications D10-D150...

High Transmission Optical Glass Filter Lens 850nm Narrow Band Infrared Light 1pcs (26x0.8mm)

1pcs 850nm High Transmission Optical Glass Filter Lens Narrow Band Infrared Light (45x1mm)

High-Transmittance 850nm Optical s Filter Lens - Narrowband Infrared Light 1pcs(5x5x0.6mm)

High-Transmittance 850nm Optical s Filter Lens - Narrowband Infrared Light 1pcs(19x1mm)

High Transmission Optical Glass Filter Lens 850nm Narrow Band Infrared Light 1pcs (53x11x2mm)

High Precision Optical Window Piece - 1 Glass Cube Reference Mirror for...

Optical Fluoride Lenses - BaF2 Infrared Window, Multiple 1 Unit(13x1mm)

High Precision Optical Window Piece - 1 Glass Cube Reference Mirror for...

High Precision Optical Window Piece 1 Glass Cube, Reference Mirror for Infrared...