BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding

BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding
артикул: 1005007824175880
$22.98
Доставка из: Китай
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