Fresnel Lens Large 300×300mm, 510mm Focal Length, High Transmittance Acrylic Sheet for Solar Heating, Physics Experiment & Book Reading Magnifier, Focal Length 510mm
Six Seasons
【Premium Material】Made of high-transmittance acrylic, this lens is lightweight, impact-resistant and shatterproof, which is far superior to fragile bulk glass; it is easy to carry for both laboratory and field operations 【Optical Performance】Features exceptional luminous transmittance, accurate focal convergence and distinct refractive imaging; it is optimized for physics optics demonstration and academic optical research 【Wide Applications】Ideal for classroom physics demonstrations, solar thermal experiments, DIY optical assemblies and microscopic magnification observation; it is perfect for educators, scholars and DIY enthusiasts 【Reliable Quality】Produced by a professional manufacturer of Fresnel optical components; we provide 100% original products with reliable Amazon brand credibility and offer custom size services 【Safety Note】Please wear UV-protective eyewear when using in sunlight and avoid direct skin exposure to concentrated focal heat to prevent thermal burns
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