Features

Lever Aperture Control
SM3 (3.035" -40) Internally and Externally Threaded
Minimum Aperture: Ø2 mm (Ø0.08")
Maximum Aperture: Ø50 mm (Ø1.97")

Our threaded lever actuated iris diaphragms are continuously variable irises compatible with our Ø3" (Ø75 mm) SM3 threaded lens tubes. Each iris has internal SM threading on one side and external SM threading on the other side. The individual black spring steel leaves pivot within the outer ring of the iris and are designed for long-lasting performance over several thousand cycles.

This page contains our SM3 threaded iris; for a full selection of available irises, including irises with the same min / max aperture, please visit our Irises / Apertures navigation menu.

Please Give Us Your Feedback

Email		Feedback On
(Optional)
Contact Me:
Your email address will NOT be displayed.

Please type the following key into the field to submit this form:

Click Here if you can not read the security code.
This code is to prevent automated spamming of our site
Thank you for your understanding.

Would this product be useful to you? Little Use 1 2 3 4Very Useful

Enter Comments Below:

Characters remaining 8000

Posted Comments:
No Comments Posted

No tags entered

View All »Matching Part Numbers

SM3-Threaded Iris

Features