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

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

Germanium Lens Substrate - 1 Piece Observation Window Film for Thermal Imaging...

Absorption-Type Neutral Density Optical Filter- 50x50mm Square Attenuation Sheet, Transmittance 0.0001%-90%,1 Piece(79% Transmittance)

Lens Set Objective for D70 mm Refractive Astronomical Telescope DIY Projects -...

Absorption Type Neutral Density Optical Filter - Square Attenuation Sheet 50 x...

Circular Polarizing Film - 1PCS Round Sheet for Reflections and Optical Experiments,...

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

Circular Polarizing Film - 1PCS Round Sheet for Reflections and Optical Experiments,...

Reflective Molybdenum Lens for CO2 Engraving Machines, Diameter 20-38.1 mm, 1 Piece,...

77mm Vortex Camera Filter - Kaleidoscope Lens for Photography Includes Adapter Rings...

1pcs 850nm High Transmission Optical Glass Filter Lens Narrow Band Infrared Light (17.2x1.6mm)

High-Transmittance 850nm Optical s Filter Lens - Narrowband Infrared Light 1pcs(17.5x14x1mm)

High Transmission Optical Glass Filter Lens 850nm Narrow Band Infrared Light 1pcs (39x1mm)

High Transmission Optical Glass Filter Lens 850nm Narrow Band Infrared Light 1pcs (86x86x1mm)

PXMWITSEZ 4-Sided Adjustable Watch Movement Holder Tool - Precision Repair Stand for...

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

Neutral Density Optical Filter Sheet 12.5mm/25mm, Size 50x50mm, 0.1-1.0, H-K9L Glass, 1 Unit(Square 50x50mmx0.4)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imager Thermometer - 1pcs(70x2mm Coating)

850nm High Transmittance Optical Glass Filter Lens - Narrow Band Infrared Light...

D70 mm Refractive Astronomical Telescope Lens Set for DIY Projects - Focal...

Germanium Lens Substrate - 1Pcs Observation Window Sheet for Thermal Imager and...

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

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

D154 Single Layer Broadband Telescope Lens - 154mm Diameter, 750mm/1200mm Focal Length,...

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

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

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

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

Barium Fluoride (BaF2) Infrared Lens - Optical Window for U-V & IR...