[PRECISE ADJUSTABLE APERTURE] The iris diaphragm offers an adjustable inner diameter ranging from 1.5mm to 25mm, allowing precise control over light transmission in optical systems. Its 55mm outer diameter ensures compatibility with various devices, making it ideal for applications requiring customized aperture settings.
[EASY TO OPERATE] Designed for simplicity, this iris diaphragm features a user-friendly handle that allows quick and direct adjustments. The smooth operation ensures you can easily change the aperture size without any hassle, making it for both beginners and professionals.
[DURABLE CONSTRUCTION] Crafted from high-quality aluminum alloy and stainless steel, this iris diaphragm is built to last. Its robust design ensures reliable performance, resistance to and , and the ability to withstand frequent use in demanding environments.
[LIGHTWEIGHT AND STABLE] Despite its durability, the iris diaphragm is lightweight, adding minimal extra weight to your optical setup. Its high-strength construction ensures stability, preventing any unwanted movement or vibrations during use.
[VERSATILE APPLICATION] This adjustable iris diaphragm is suitable for a wide range of devices, including cameras, microscopes, and other optical systems. Its universal M42 to M42 thread design ensures easy integration, helping your equipment perform at its best.

Spec:
Item Type: Iris 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 blade.
Product Thread: M42 to M42

Package List：
1 x

Iris Diaphragm
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