Feature:
1. [Inner Diameter] The iris aperture diaphragm has an adjusting inner diameter 1 to 12mm, an outer diameter of 28mm.
2. [Function Description] The aperture diaphragm provides small holes of different diameters in the optical system to meet different light throughput requirements.
3. [Simple Operation] Change the diameter of the aperture diaphragm by the handle, very easy to operate in practice and friendly to novices.
4. [Made of Aluminum Alloy and Stainless Steel] The camera aperture diaphragm is made of aluminum alloy and stainless steel for reliable performance and ruggedness.
5. [Compact Appearance] This aperture diaphragm uses a compact and practical design, making the aperture diaphragm a practical way to work.

How to Use:
Direct installation and use.

Specification:
Item Type: Aperture Diaphragm
Material: Aluminum alloy, stainless steel
Inner Hole Diameter: Approx. 1-12mm / 0.04-0.47in
Outer Diameter: Approx. 28mm / 1.10in
Thickness: Approx. 18mm / 0.71in
Number of Blades: 10
Port: CS to C

Package List:
1 x Aperture Diaphragm