Precision-molded PMMA Fresnel lens with 92% light transmission, delivering sharp concentrate for solar concentration and magnifying applications. Available in four focal lengths—15mm, 20mm, 30mm, and 50mm—offering flexibility for optical experiments, DIY projects, or sensor calibration. Compact 30mm diameter with a slim 1.8-2mm profile and 0.3mm groove pitch, ensuring lightweight devise without sacrificing optical clarity. Flat-convex structure with smooth surface finishing, compatible with standard holders or frames for easy integration into existing setups. Pack of 5 identical lenses per lot, providing consistent and spare units for prototyping, education, or small-scale production runs.
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