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Neutral Density Optical Filter Sheet - 12.5mm/25mm/50x50mm 0.1-1.0 H-K9L Glass 1pcs(Square WxL50x50mm Density0.2)

Neutral Density Optical Filter Sheet 12.5mm/25mm, Size 50x50mm, 0.1-1.0, H-K9L Glass, 1 Unit(Round 25mmx0.4)

1 Piece (15 x mm) Glass for Optical Window - Diameter 10...

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

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

Set of Lenses for Refractive Astronomical Telescope D70 mm DIY Projects Focal...

D70mm Refractive Astronomical Telescope Objective Lens Set for DIY Projects - Focal...

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

Optical Fluoride Lenses - BaF2 Infrared Window, Multiple Pack of 1 (30...

Neutral Density Optical Filter Sheet 12.5mm/25mm, Size 50x50mm, 0.1-1.0, H-K9L Glass, 1 Unit(Square 50x50mmx1)

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 25mmx0.6)

Neutral Density Optical Filter Absorption Type-50x50mm Square Attenuation Sheet, Transmittance 0.0001%-90%,1 Piece(25% Transmittance)

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

Double Refractive Separation Achromatic Lens D60 360-900mm for DIY Astronomical Telescopes(Film:D60 F600)

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

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

Circular Polarizing Film - Round Sheet 1 Piece for Reflections and Optical...

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

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

APO Flat Field Complex Achromatic Lens - Metallography Ultra-Long Working Distance, 1 pc(5X)

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

Double Refractive Separation Achromatic Lens D60 360-900mm for DIY Astronomical Telescopes (Film:D60 F700)

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