Simple Operation: Just use the handle to change the aperture diaphragm diameter, which is easy to operate and more directly for adjustment.
Wide Application: This aperture diaphragm is suitable for cameras, microscopes and other machines, which can help them work better.
1.5mm To 26mm : The aperture has an outer diameter of 45mm and an inner diameter of 1.5mm to 26mm, which provides small holes with different in the optical system to meet different light transmission requirements.
Reliable Materials: The aperture diaphragm is made of aluminum alloy and stainless steel, strong and sturdy, very reliable in performance.
Highly Stable: This diaphragm is light weight, will not add extra weight for optical systems, with high strength, rust and resistance, very stable.
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