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Opalescent Glass Diffusion Filter 1 Cosine Diffused Optical for Lighting and Applications (4.8x2mm)

1PC Aspheric Flat Convex Acrylic Lens for Zoom Flashlight and Bike Head...

1PC PMMA Convex Acrylic Transparent Condenser Lens for Zoom LED Flashlight -...

K9 Quartz Optical Spherical Lens High Transmission Circular (Diameter 1mm to 10mm)...

Opalescent Glass Diffusion Filter 1 Optical Diffused in Cosine for Lighting and...

1 Gold Plated Reflector: Enhanced Optical Performance and Aesthetic Appeal for Crafts...

Neutral Density Attenuation Plate 0.01% Optical Glass Filter for Light Intensity Control (D30x1.4mm)

High-quality Germanium lens substrate - 1 observation window for thermal imager and...

K9 Optical Glass Double Convex Biconvex Lens - 20mm, 28mm, 30mm, 42mm,...

Opalescent Glass Diffusion Filter 1 Cosine Diffused Optical for Lighting and Applications (13.5x1.5mm)

Acrylic Flat Convex Condenser Lens for Zoom Flashlight and Bike Head Lamp...

Opalescent Glass Diffusion Filter - 1 Piece Cosine Optical for Lighting and Applications(16.7x0.4mm)

Transparent PMMA Condenser Lens for LED Flashlights and Bike Head Lamps -...

Acrylic Flat Convex Condenser Lens for Zoom Flashlight and Bike Head Lamp...

Opalescent Glass Diffusion Filter - 1 Piece Cosine Optical for Lighting and Applications(12x1mm)

Acrylic Double Convex Lens - 30mm/40mm/50mm/60mm with Focal Lengths of 70/138/180/100 MM...

Transparent PMMA Condenser Lens for LED Flashlights and Bike Head Lamps -...

Opalescent Glass Diffusion Filter - 1 Piece Cosine Optical for Lighting and Applications(12x2mm)

Wideband Optical Wave Plate Lenses - 1/4 Plate, 1/2 Full Ideal for...

Transmittance 0.01% to 95% Neutral Optical Attenuator Plate 3.15x3.15 Inches, PMMA Density...

Achromatic Biconvex Lens for Telescopes and Microscopes - K9 Optical Glass 34...

Transparent PMMA Condenser Lens for LED Flashlights and Bike Head Lamps -...

Diffusion Filter - 1 Piece Cosine Diffuse Optical Glass for Lighting and Applications(13.5x2mm)

Wide Band Optical Waveplate Lenses-1/4 Waveplate, 1/2 Wave Plate, Full Plate-Ideal for...

K9 Quartz Optical Spherical Lens - High Transmittance Circular (Diameter 1mm to...

High Purity Magnesium Fluoride (MgF2) Crystal Film - Ultra Thin Optical Window...

High Purity Magnesium Fluoride (MgF2) Crystal Film - Ultra Thin Optical Window...

Opalescent Glass Diffusion Filter 1 Cosine Diffused Optical for Lighting and Applications (19x2mm)

1 Inch Diameter Neutral Density Optical Filter Glass Sheet, Professional Grey Lens...

Neutral Density Attenuation Plate 0.01%, Optical Glass Filter for Light Intensity Control, 1 pc(D30x2mm)