[Adjustable Aperture]: The dynamic adjustment range is wide, aperture can be changed by the handle, and the compact and practical design makes the diaphragm work more stably
[Easy to Use]: The aperture of this microscope can be changed through the handle, which is compact, easy to operate and carry, very practical laboratory accessory
[Widely Applicaion]: This continuously adjustable diaphragm is widely used in industrial lenses, photographic equipment, optical experiments, microscopes, etc
[ Material]: The outer casing of the microscope aperture is made of aluminum alloy material, which is stable in structure and , the internal structure from damage, and greatly improves the service life
[Light Clearance Requirements]: This diaphragm is mainly used for small holes of different diameters in the optical system to meet different light clearance requirements