我司*代理SCHOTT环形光导，光源。 Midi Ringlights For 19 to 53 mm Objective Diameters SCHOTT ringlights emit intense，uniform，and shadow-free illumination for Machine Vision and Microscopy applications. Midi Features 1.Fit microscope and camera objectives from 38 to 53 mm. 2.Working distance is 1.25"to 3.5"（32 to 89）＊。
