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Fresnel Lens Standard Range 70mm F.L. x 102mmdia aperture

100mm Dia x 300mm Focal Length, PCX Condenser Lens

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12-inch Fresnel Lens High-definition Mobile Phone Amplifier

Buy 100*100MM Square Fresnel Lens Focal length 90mm,Concentrated amplification,Optical transmittance 90%,magnification 4-5 times at Aliexpress for .

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100mm Dia x 300mm Focal Length, PCX Condenser Lens

800mm Round / Square Optical PMMA Fresnel Lens Solar Condensor

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