Precision molded PMMA Fresnel lens provides 92% light transmission for efficient solar focus and optical focus. Available in diameters from 40mm to 100mm with focal lengths of 40mm or 50mm, ideal for custom optical configurations. Lightweight 2mm thick acrylic construction ensures durability and easy handling when used in prototyping, laboratory or educational purposes. Operates reliably at temperatures from -40°F to +176°F, suitable for outdoor solar experiments and thermal applications. The smooth round surface with a fine thread of 0.3 mm (0.5 mm for a focal length of 100 mm/120 mm) ensures constant light refraction.
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