[Simple Operation]Easily adjust the aperture size from 1.5mm to 25mm using the handle for quick and direct control.
[Versatile Application]Ideal for cameras, microscopes, and optical systems, enhancing functionality across various devices.
[High Stability]Constructed from robust aluminum alloy and stainless steel, maintaining performance without adding extra weight.
[ Design]Features a 55mm outer diameter and 14 blades for precise light control in your optical setups.
[User-Friendly Installation]Direct installation ensures swift setup and use without the need for additional tools.

Item Type: Diaphragm
Material: Alumnium alloy, stainless steel.
Product Inner Hole Diameter: Approx. 1.5 ~ 25mm / 0.06 ~ 0.98in
product Outer Hole Diameter: Approx. 55mm / 2.17in
Product thickness: Approx. 17.5mm / 0.69in
Blades: 14pcs Vane/Wing.
Product Thread: M42 to M42
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Diaphragm