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Zinc Selenide Machine Focus Lens: 10.6µm Wavelength, Anti-glare Coating, Precision Optical Component(D18/F76.2mm)

Zinc Selenide Machine Focusing Lens - 10.6um Wavelength, Anti-Glare Coating, Precision Optical Component (D18/F63.5mm)

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

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

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

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

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

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

Optical Fluoride Lenses - BaF2 Infrared Window, Multiple 1 Unit(50x1mm)

Germanium lens with AR+DLC coating for optical/thermal imaging thermometer - 1 Piece(30x2mm Coating)

Magnesium Fluoride (MgF2) Ultra Fine Crystalline Substrate - High Purity Optical Window...

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

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

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

Magnesium Fluoride (MgF2) Ultra Fine Crystalline Substrate - High Purity Optical Window...

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

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)

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,...

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

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

1 Piece Double-Sided Coating for Germanium Infrared Lenses - Sheet Windows (D25...