400X300mm Optical PMMA Plastic Projector Solar Fresnel Lens Plane Magnifier
1PC 400x300mm Optical PMMA Plastic Projector Solar Fresnel Lens Focal Length 600mm Projector Plane Magnifier,Solar concentrator. Size: 400x300mm. This Fresnel Lens can be us ed on DIY Projector,Plane Magnifier,solar concentrator.