Aperture Diaphragm Aluminium Alloy Handle Adjustment Mechanical

1 4-60mm Adjustable: The inner hole diameter is 4-60mm adjustable. The outer diameter is 82mm. And the small holes with different diameters are provided in the optical system to meet different light transmission requirements 2 Aluminum Alloy Material: The aperture diaphragm is made of premium aluminum alloy, which has the characteristics of reliable performance and firmness, and can be used for a long time. 3 Simple Operation: This is a manually adjustable aperture diaphragm. The diameter of the metal aperture diaphragm can be changed through the handle. 4 Compact Design: The mechanical iris aperture diaphragm adopts a compact design, is easy to install and does not take up too much space, which can become a more practical tool. 5 Applicability: This adjustable aperture diaphragm is suitable for cameras, microscopes, condensers and other machines, which can help them work better.Item Type: Aperture diaphragm Material: Aluminium alloy Weight: Approx. 49g/1.7oz Product Number: sk60 Inner Hole Diameter: 4-60mm/0.16-2.4in Outer Diameter: 82mm/3.2in Thickness: 8mm/0.3in Number of Blades: 18

What's in the box
1 x Aperture Diaphragm