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Iris Diaphragm Mounts

Iris Mount for 70mm Outer Diameter Irises, #53-921
Iris Mount for 21mm Outer Diameter Irises, #54-862

Iris Mount for 70mm Outer Diameter Irises, #53-921

Iris Mount for 21mm Outer Diameter Irises, #54-862


  • Multiple Iris Diameter Options Available
  • Durable Anodized Aluminum Construction
  • Set Screw Included

Iris Diaphragm Mounts fit our most popular sizes of Iris Diaphragms and are constructed from durable black anodized aluminum. These mounts feature a variety of different English post mounting options, and each utilize an included set screw to ensure a secure fit.

Technical Information

 
Iris Diameter A B C D E F G H Stock No.
19.8 30.8 19.8 6.1 6.35 2.5 4-40 15.1 8-32 #53-918
37.0 50.8 37.0 9.0 9.5 2.8 6-32 25.0 ¼-20 #53-919
53.0 66.0 53.0 9.9 9.5 3.0 6-32 32.7 ¼-20 #53-920
70.0 86.0 70.0 10.1 9.5 3.8 6-32 42.7 ¼-20 #53-921
21.0 32.0 21.0 6.2 9.5 3.2 4-40 15.7 8-32 #54-862
38.0 52.0 38.0 9.1 9.5 3.2 6-32 25.6 ¼-20 #54-863
54.0 67.0 54.0 8.9 9.5 3.8 6-32 33.2 ¼-20 #54-864
72.0 88.0 72.0 10.3 11.5 3.8 6-32 43.7 ¼-20 #54-865

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