350mm Solar Fresnel Lens Optical PMMA Solar Concentrator Large Magnifying Glass

350mm Large Optical PMMA Fresnel Lens Focal Length 185mm 900mm Solar Concentrator Large Plastic Magnifying Glass. Round Optical PMMA Solar Fresnel Condensing Lens. Material: Optical PMMA. The temprature of the focus at sunny noon can be up to 362 Degree in 30 degree outdoor temperature.

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