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100x70mm Small Optical PMMA Plastic Fresnel Lens Solar Focal Length 100mm DIY Projector Lens Plane Magnifier,solar Concentrator
10%
US $2.99 US $2.69
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100x70mm, small, optical, pmma, plastic, fresnel, lens, solar, focal, length, 100mm, projector, lens, plane, magnifier, solar, concentrator,
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