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Monocrystalline Silicon Infrared Lenses with Anti-Transmission Coating - 3-5 Microns Multiple (25.4...

PMMA Convex Acrylic Condenser Lens, 5 pcs, 10-38mm, for LED Flashlight with...

PMMA Flat Convex Lens for Zoom LED Flashlight 1pc(1pcx47.8mm)

FL28-120 Round Fresnel Lens 20-100 mm, Acrylic PMMA Condenser for LED Projector,...

PMMA Flat Convex Lens for Zoom LED Flashlight 1pc(1pcx10.5mm)

50-100mm Round PMMA Fresnel Lens Threaded Condenser for LED Light Projector VR Optical Experiments(D50mmxFL80mm)

D30mm Bonded Lens for Astronomical Telescopes DIY-Achromatic with Blue/Green Film Options (D32F94 Blue Film)

50mm PMMA Fresnel Lens Focal Length 28-100mm Threaded Condenser Optical for LED...

10-38mm PMMA Convex Aspheric Lens for LED Flashlight Bike Lamp Optical Condenser(1pcx31.6mm)

Square Fresnel Lens 30x30 40x40 50x50 100x100mm PMMA Threaded DIY Projector Condenser Magnifier(100x100mm-FL50mm)

Round Fresnel Lens 30-80mm Threaded Condenser for LED Spotlight DIY Projector VR Optics(100mmx70mm)

10-38mm PMMA Convex Lens for Zoom Flashlight Bike Lamp Optical Acrylic Condenser

20-66mm Flat Convex Acrylic Lens For torch LED focusing accessories (1 x 21.8 mm)

Fresnel Lens 100-300mm PMMA Threaded Condenser for Spotlight DIY Projector Optical Experiments(300mm-120mm-01)

D150F750 Reflector Astronomical Telescope Spherical Primary Mirror with 35mm Secondary 1pc(Secondary 35mm)

10-38mm PMMA Flat Convex Lens For LED Flashlight Bike Lamp(5pcx21.8mm)

10.5-50mm Edged Acrylic Flat-convex Lens 1pc For Flashlight LED Focusing Torch(10.5mm)

Round Fresnel Lens 20mm 30mm Dia 50mm FL PMMA Threaded Optical Condenser...

50-100mm Round PMMA Fresnel Lens Threaded Condenser for LED Light Projector VR Optical Experiments(D55mmxFL40mm)

Round Fresnel Lens 50 mm PMMA Acrylic Focal Length 28-100 for LED...

50-100mm Round PMMA Fresnel Lens Threaded Condenser for LED Light Projector VR Optical(D80mm-FL40mm)

40-100mm PMMA Fresnel Lens, 60-80mm Focal Length Condenser Lens for Solar Heating, Optical Experiments,1pcs(40mmx70mm)

50-100mm Round PMMA Fresnel Lens Threaded Condenser for LED Light Projector VR Optical(D100mm-FL100mm)

10.5-50 mm Angular Flat Convex Acrylic Lens Pack of 1 For torch...

Round Fresnel Lens FL28-120 20-100 mm, Acrylic PMMA Condenser for LED Projector,...

10-38mm PMMA Convex Lens for Zoom Flashlight Bike Lamp Optical Acrylic Condenser

D30mm Glued Objective Lens for DIY Astronomical Telescopes - Achromatic with Blue/Green...

Round Fresnel Lens PMMA Threaded Condenser 20-70mm for LED Light Projector VR Optical DIY,1pcs(D60mmxFL60mm)

FL28-120 Round Fresnel Lens 20-100 mm, Acrylic PMMA Condenser for LED Projector,...

Round Fresnel Lens PMMA Threaded Condenser 20-70mm for LED Light Projector VR Optical DIY,1pcs(D60mmxFL80mm)