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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.

Specification:
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

Package List:
1 x

Aperture Diaphragm