Iris Diaphragm with Adjustable Aperture, 3" Outer, 30mm Max Manufacturer_Austerlitz contractile vacuoles

contractile vacuoles

exposing the longitudinal and transverse components of wave motion mechanically

Built for industrial-scale dispensing and mixing

and mechanical-advantage experiments (stand base and support clamp sold separately)

this double-convex converging lens gathers parallel light to a single focal point for bright image-formation demonstrations

Iris Diaphragm with Adjustable Aperture, 3" Outer, 30mm Max Manufacturer_Austerlitz contractile vacuolesAdjustable iris from closed to a 30mm maximum aperture inside a 3 inch black metal body, with a 2. 5 inch mounting rod giving 5 inches total length for standard optical bench setups.