Features Exquisite and Smooth: The iris diaphr is crafted with precision, providing a smooth and exquisite operation. Its anti-corrosion properties ensure durability, making it a reliable choice for long-term use. High Accuracy: Independently developed with high accuracy, this adjustable iris diaphr guarantees precise control, instilling confidence in its performance for your photography and optical needs. Premium Quality Materials: Made from top-quality materials, this manual aperture lens exhibits superior craftsmanship with no burrs or pressure points, ensuring product integrity and preventing deformation over time. Versatile Application: An essential accessory for laser, camera, and optical platform, this mechanical iris diaphr proves to be highly practical and versatile for a wide range of applications. Flexible Light Control: The iris diaphr offers the flexibility to create different straight holes in the optical system, meeting diverse light requirements. Its adjustable handle allows for easy change in diaphr diameter, providing tailored light control. Specification: Item Type: Iris Diaphr Model: SK12 Material: Iron Uses: Accessories for lasers, cameras, and optical platforms Enlarged Diameter: Approx. 1 ~ 12mm / 0 ~ 0.5in Outer Circle: Approx. 19mm / 0.7in Inner Hole: Approx. 12mm / 0.5in Thickness: Approx. 5mm / 0.2in Package List: 1 x Iris Diaphr Package List 1 x Iris Diaphragm