Features 1、Wide Application: The microscope iris aperture adapter is very suitable for optical applications, it can be widely used in a variety of optical instruments, cameras, etc. 2、Adjustable Aperture: The microscope aperture adapter can change the diameter of the aperture through the handle. The 2‑50mm adjustable aperture can meet different translucency requirements. The 16 blade design facilitates adjustment, making the aperture work more stable. 3、Enhanced Image Quality: By adjusting the iris aperture diaphragm, you can optimize the image quality by reducing aberrations and increasing sharpness and clarity. 4、Compact: The camera adjustable iris aperture has compact and practical design which makes the diaphragm work more stable and convenient 5、Durable: The adjustable iris aperture diaphragm is made of aluminum alloy material, which is durable, with a long service life. It can be used repeatedly for a long time, bringing you a good user experience. Specification Item Type: Adjustable Iris Aperture Diaphragm Material: Aluminum alloy Weight: Approx. 59g / 2.1oz Aperture Diameter Range: 2-50mm Package List 1 x Adjustable Iris Aperture Diaphragm 1 x Packaging Box