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L-Yune Fresnel Lens 255mm Large Optical Plastic Solar Fresnel Lens PMMA Focal Length 90mm 400mm 1000mm Aircraft Magnifier, Solar Concentrator Lenses 1pc ( Color : 255mm , Size : 1000mm ) : : Electronics & Photo
Large 400x300mm Optical PMMA Plastic Solar Fresnel Lens Focal Length Projector Plane Magnifier,Solar Cncentrator Lens 1PC
1PC Round 30cm Optical PMMA Plastic Fresnel Lens Solar Concentrator Large Magnifying Glass Focal Length 220mm. Plastic Fresnel PMMA round condensing
30 cm Optische PMMA Fresnel Linse Solar Konzentrator Vergrößerungsglas Brennweit
Lineare Fresnel-linse PMMA Brennweite 150mm Projektor Optische
Large 400x300mm Optical PMMA Plastic Solar Fresnel Lens Focal
1-Pack Linear Fresnel Lens Size:250x150mm, Focal length:120mm, Thickness:2mm, Material: PMMA (Acrylic) High Light Transmittance, High Efficiency in
Linear Fresnel Lens 250x150mm, Focal Length 120mm, Acrylic Lens (not Glass), Linear Focusing for Physics Classroom, Optical Education, Solar Project
buy Fresnel focus length 350mm 5T - Fresnel Factory.com
2-Pack Round Fresnel Lens Diameter 400MM Focal Length
Optical PMMA Plastic Fresnel Lens Linear Fresnel Lens Solar
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300mm Große Optische PMMA Kunststoff Große Solar Fresnel-linse
1PC Dia 380mm Large Optical PMMA Plastic Solar Fresnel Lens