Diameter 11.9mm Optical Grade Biconcave Lenses Experimental Element Light Diffusion Negative Focal Length Coating AR@400-700nm

Diameter 11.9mm Optical Grade Biconcave Lenses Experimental Element Light Diffusion Negative Focal Length Coating AR@400-700nm
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sku: 1005001717343138
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$4.16
Shipping from: China
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