1PC Optical PMMA Plastic Linear Solar Fresnel Lens Projector Fresnel Lens Plane Magnifier,Solar Energy Concentrator
Specification
100x52mm board, 2 fresnel lens on a board, lens diameter 48mm, Focal Length 30mm,
105x50mm, 3 fresnel lens on a board, lens diameter 27mm, Focal Length 20mm,
105x50mm, 17 fresnel lens on a board, lens diameter 12mm, Focal Length 5mm,
Dia.210mm, 19 fresnel lens on a board, lens diameter some 45mm, and some 35mm, Focal Length 20mm,
91x63mm, 24 fresnel lens on a board, lens diameter 12mm, Focal Length 15mm,
Thickness: 2mm
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