Mechanical Iris Aperture Diaphragm Zoom Optical Manual 1.5-23 mm

Adjusting the handle to change the aperture diameter. Durable : without burrs and pressure points , the product is not deformed , exquisite and smooth. Adjustable Iris diaphragm series is used in the optical system , it can provide different diameters to meet different requirements of light. Wide Application : The microscope iris aperture adapter is very suitable for optical applications , it can be an accessory , camera , and optical platform. High Quality : Using high quality iron material , anti corrosion , durable and reliable performance.