SM1 Threaded Iris Diaphragm, Ring-Actuated, Graduated, 1-12 mm Aperture Range

The ID-0112SM1G iris diaphragm is graduated version of ID-0112SM1. It is compatible with most opto-mechnical components with 1.035-40 thread. The graduations allow the user to determine the size of the adjusted aperture even when the iris is used in an enclosed setup. The ring-actuated iris diaphragm is low profile with no lever sticking up that could lead to unintended changes. A setscew on the side of housing can further lock the iris in place after designed opening is achieved.