30x30 Small Optical PMMA Plastic Fresnel Lens Solar Focal Length 28mm DIY Projector Lens Plane Magnifier,solar Concentrator

30x30 Small Optical PMMA Plastic Fresnel Lens Solar Focal Length 28mm DIY Projector Lens Plane Magnifier,solar Concentrator
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sku: 1005002662728395
$1.65
Shipping from: China
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