Optical Glass 50mm Plano Convex Lens Focal Length 280mm 300mm Flat Convex Magnifier Lens Physical Experiments DIY

Optical Glass 50mm Plano Convex Lens Focal Length 280mm 300mm Flat Convex Magnifier Lens Physical Experiments DIY
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sku: 1005005955630072
$3.28
Shipping from: China
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