Opl Conical Discs, Set Of 3 For Use With Spectroscope And Microscope Combination - OPL7

Описание

Prevents unwanted light leaking from around a specimen on a microscope stage. May be used with a suitable immersion liquid in a glass cell. 25mm diameter steel discs with a black solvent resistant coating. Apertures of 3.5mm, 5.5mm, and 7.0mm. Weighs 90 grams. Читать далее