Mechanical Iris Aperture Diaphragm Zoom Optical Manual 1.5-23mm

adjusting the handle to change the aperture diameter. high quality:using high quality iron material,anti corrosion,durable and reliable performance. 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. durable:without burrs and pressure points,the product is not deformed,exquisite and smooth.