200mm Fresnel Lens Focal Length 100mm 120mm 140mm 150mm 160mm 180mm 200mm 220mm Solar Concentrator Optical PMMA LED LENS

200mm Fresnel Lens Focal Length 100mm 120mm 140mm 150mm 160mm 180mm 200mm 220mm Solar Concentrator Optical PMMA LED LENS
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sku: 4000192033143
$9.93
Shipping from: China
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