Features 1. Wide Application: The microscope iris aperture adapter is suitable for optical applications and can be used with various optical instruments and cameras. 2. Adjustable Aperture: The microscope aperture adapter allows adjustment of the aperture diameter via a handle. The 250mm adjustable range accommodates different light transmission requirements. The 16-blade design enables smooth and stable aperture control. 3. Enhanced Image Quality: Adjusting the iris aperture helps optimize image quality by reducing optical aberrations and improving sharpness and clarity. 4. Compact Design: The camera adjustable iris aperture features a compact and practical design for stable and convenient operation. 5. Durable Construction: Made from aluminum alloy, the adjustable iris aperture diaphragm is durable and built to last, offering long-term reliable performance. Specification Item Type: Adjustable Iris Aperture Diaphragm Material: Aluminum alloy Weight: Approx. 59g / 2.1oz Aperture Diameter Range: 250mm Package List 1 x Adjustable Iris Aperture Diaphragm 1 x Packaging Box