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Neutral Density Optical Filter Sheet - 12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L...

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

D80 F600 Astronomical Refractor Telescope - 80mm Aperture, 600mm Focal Length, Double...

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

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

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

Neutral density Optical Filter Sheet-12.5mm/25mm/50x50mm-optical 0.1-1.0-Glass H-K9L 1pcs(Round D25mm Density0.5)

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

High Transmission Optical Glass Filter Lens 850nm Narrow Band Infrared Light (11x1mm)

Germanium Lens with AR+DLC Coating for Optical/Thermal Imaging Thermometer - 1 Piece(10x2mm...

Zinc Selenide Machine Focusing Lens - 10.6um Wavelength, Anti-Glare Coating, Precision Optical Component (D12/F50.8mm)

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

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

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

12.5mm/25mm Neutral Density Optical Filter Sheet, 50x50mm Size, 0.1-1.0, H-K9L Glass, 1 Unit(Round 12.5mmx0.6)

1 x Circular Linear Polarizer - 2.5mm thick, Available in diameter from...

Optical Fluoride Lenses - BaF2 Infrared Window, Multiple 1 Unit(20x1mm)

Barium Fluoride (BaF2) Infrared Lens - Optical Window for UV and IR...

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

Double Refractive Separation Achromatic Lens D60 360-900mm for DIY Astronomical Telescopes (Film:D60 F800)

Coated Monocrystalline Silicon Substrate Wafer for Infrared Applications - 25-105mm Diameter, 0.5mm Thickness (82mm)

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

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

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