NANO PRO™ Circular Iris Diaphragms (Ødmin 3mm, Ødmax 52mm)
NANOSSR offers Circular Iris Diaphragms (Ødmin 3mm, Ødmax 52mm). The iris diaphragm offers a continuously variable aperture for a variety of optical systems. Moving the shift lever changes the diameter of the iris diaphragm. The threaded hole A is used for mounting the diaphragm on a post.