SM3-Threaded Iris


SM3-Threaded Iris

  • Lever Actuated Iris Aperture
  • 3.035"-40 Threaded Housing
  • Ø50 mm (Ø1.97") Maximum Aperture


  • 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.


Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

contact us

Tel               +966 35823441
Fax               +966 35823441
Egypt Mobile  +2 0120 7577664
KSA Mobile     +966 545 991188
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