Features:
component: The apertures diaphragm is aluminum alloy and steel,strong and very in.
Wide Application: This adjustable apertures diaphragm is suitable for cameras,microscopes and other machines,which can help work better.
1.5mm To 26mm Adjustable: The apertures has an outer diameter of 45mm and an adjustable inner diameter of 1.5mm to 26mm,which provides small holes with different in the to meet different light transmission requirements.
Simple Just use handle to change the apertures diaphragm diameter,which is easy to operate and more directly for.
Highly Stable: This diaphragm is light weight,will not add weight for,with good strength,rust and resistance,very stable.

Specifications:
Component:Aluminum Alloy + Steel
Outside Diameter: approx.45mm/1.77in
Color: Black
Quantity: 1

Note:
Please allow 0-1cm error due to manual measurement.please make sure you do not mind before you bid.
Due to difference between different monitors,the picture may not reflect the actual color of the item.

Package includes:
1Pc Adjustable Apertures