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1-Pack Fresnel Lens 520*520MM Focal Length 620mm large magnifying lens solar fresnel for solar collecting, solar concentrator, cooking outside, emergency fire starter, education, DIY Project Magnifier

1-Pack Fresnel Lens 520*520MM Focal Length 620mm large magnifying lens solar fresnel for solar collecting, solar concentrator, cooking outside, emergency fire starter, education, DIY Project Magnifier

Name: 1-Pack Fresnel Lens 520*520MM Focal Length 620mm large magnifying lens solar fresnel for solar collecting, solar concentrator, cooking outside, emergency fire starter, education, DIY Project Magnifier
SKU: 434202

$ 72.00

$ 159.00

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Product Details

1PCS large fresnel lens, acrylic ultra thin
High light transmittance, Hihh efficiency in focusing
Visual Aid for education - Great for DIY Solar Cooking, DIY Solar Heater, and DIY PROJECTION TV, For Scientific Research
Also be suitable for Solar energy collector system, start a fire under sunlight, hot water heater, solar furnace, LCD projector
Super fire starter

Size: 520*520mm Focal length: 620mm Material: PMMA Groove pitch: 0.5mm Material : acrylic (pmma) Transmission (%): 92 (from 400-1100nm) Index of Refraction nd : 1.491 Operating Temperature (°C): 80 (Maximum)

1-Pack Fresnel Lens 520*520MM Focal Length 620mm large magnifying lens solar fresnel for solar collecting, solar concentrator, cooking outside, emergency fire starter, education, DIY Project Magnifier

Product Details

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