
Optical Bench Iris Diaphragms. Adjustable Aperture Range: Continuously variable clear aperture from 1.2mm to 12mm for precise light control. Durable Aluminum Build: Constructed from aluminum with black anodized finish for longevity and stability. Spring-Steel Leaves: Features black spring-steel leaves for smooth and reliable iris operation. Compact Dimensions: Small form factor with 19.8mm outer diameter and 5mm thickness for easy integration. Customization Available: Customized product names and specifications are available upon request. 1-Year Warranty: Comprehensive 1-year warranty coverage for after-sales service and peace of mind. Lever-Actuated Control: Equipped with lever-actuated mechanism for convenient and precise aperture adjustment. OEM/ODM Support: Manufacturer offers OEM and ODM services with 6 R&D engineers for tailored solutions.