E-49-381 40mm Dia. x 120mm FL, VIS-NIR Coated, Achromatic Lens product series_fosco ov loss test set Ø410 µm Bore
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E 49 381 40mm Dia. x 120mm FL, VIS NIR Coated, Achromatic Lens product series_fosco ov loss test set Ø410 µm Bore Ø410 µm Bore Test voltage can be set to 9 or 16 volts