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

1 Piece Germanium Infrared Lens - Double Sided Coated Window Film Diameter 3-100mm(D18/20x2mm)

1 Piece Germanium Infrared Lens - Double Sided Coated Window Film Diameter 3-100mm(D25x2mm)

High precision optical window part: 1 glass cube reference mirror for infrared...

Monocrystalline Silicon Substrate Window Plate Coated for Infrared Applications - Diameter 25-105mm, Thickness 0.5mm(27mm)

Infrared Lens Made of Barium Fluoride (BaF2) - Optical Window for UV/IR...

Molybdenum Reflective Lens for CO2-20/25/30mm Cutting Machines, Durable and Heat Resistant 1pc(30mm*3mm)

Monocrystalline Silicon Infrared Lenses with Anti-Reflection Coating for Electronic Sensors - 3-5 Micron, Various(30x2mm)

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(25x41mm)

Monocrystalline Silicon Infrared Lenses with Anti-Reflection Coating for Electronic Sensors - 3-5 Micron, Various(35x2mm)

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

APO Flat Field Full Complex Achromatic Objective Lens 2X 5X 10X 20X...

Neutral Density Optical Filter - 50x50mm Attenuation Sheet, Transmittance 0.0001%-90%, 1 Piece(63% Transmittance)

Circular Linear Polarizer - 12.7mm, 25.4mm, 50.8mm 400nm to 700nm Wavelength, 1000:1...

APO Flat Field Complex Achromatic Lens 2X 5X 10X 20X 50X 1 Piece (20x)

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

APO Flat Field Complex Achromatic Lens 2X 5X 10X 20X 50X 1pcs (2x)

Optical lens for microscopes - Focal length 180 mm and 200 1...

Light Filter for Black and White Photography - Enhance Landscape Shots with...

Neutral Density Optical Filter - 50x50mm Attenuation Sheet, Transmittance 0.0001%-90%, 1 Piece(0.3% Transmittance)

Neutral Density Optical Filter - 50x50mm Attenuation Sheet, Transmittance 0.0001%-90%, 1 Piece(5% Transmittance)

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

Neutral Density Optical Filter - 50x50mm Attenuation Sheet, Transmittance 0.0001%-90%, 1 Piece(40% Transmittance)

Zinc Selenide Machine Focusing Lens for Engraving and Cutting Machines - Compatible...

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(18x38.1mm)

77mm Kaleidoscope Camera Lens Filter - Vortex Effect Photo Accessory with K9...

Gallium Arsenide (GaAs) Optical Lenses Sheet - Focusing with Multiple Focal Lengths(25x50.8mm)

Molybdenum Reflective Lens for CO2 machine Engraving Machines, 20-38.1mm Diameter, 1 Piece, >94% Reflectivity(20mmx3mm)

77mm Kaleidoscope Camera Lens Filter - Vortex Effect Photo Accessory with K9...

Premium Silicon Wafer 2 Inch - High Quality Dioxide & Nitride for...