1. Adjustable: The opening diameter can be changed by the handle. The 0.5-15mm adjustable aperture can meet different light transmission requirements. 12 sheets are easy to adjust, which makes the opening work more stable.
2. REUSABLE: The manual opening diaphragm is sturdy and durable, not easy to corrode, does not fade, has a long service life, and can be used repeatedly for a long time.
3. STABILITY: This adjustable aperture diaphragm is preferably made of aluminum alloy, no burrs, convenient to use, iris lens is not deformed, elastic and stable.
4. WIDELY USED: This adjustable aperture diaphragm is suitable for cameras, microscopes and other machines, which can help them work better.
5. EASY INSTALLATION: Manual adjustable opening diaphragm is easy to use, easy to disassemble and install, no need for tedious installation steps.

Specification:
Item Type: Adjustable Aperture Diaphragm
Material: aluminium.
Weight: approx. 12g/0.4oz
Hole inner diameter: 0.5-15mm/0.02-0.59inch
Blade: 12 pieces

Packing List:
1 x Adjustable aperture diaphragm