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All Products / Optomechanics / Irises and Apertures / Iris Diaphragms / Standard Series Iris Diaphragms
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12mm Max. Aperture, Mounted Iris Diaphragm

30.8mm Outer Diameter, Mounted Iris Diaphragm, #53-914

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Stock #53-914 3-5 days
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A$96.00
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A$96.00
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A$84.96
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Type:
Mounted
Minimum Aperture (mm):
0.8
Maximum Aperture (mm):
12.0
Outer Diameter (mm):
30.8
Construction:
Blackened Brass Housing, Stainless Steel Leaves, Stainless Steel Pin Actuators, Black Anodized Aluminum Mount
Inner Diameter (mm):
19.80
Lever Diameter (mm):
3.00
Lever Length (mm):
12.00
Mounting Threads:
8-32
Set Screw Thread:
4-40
Thickness (mm):
6.35

Regulatory Compliance

RoHS 2015:
Exempt
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Certificate of Conformance:
View
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Reach 235:
Contains SVHC(s)
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Product Family Description

  • Used to Adjust f/#, Field Stop Diameter, and Overall Light Throughput
  • Mounted Version Features a Tapped Hole for Post Mounting
  • Abundant Types for Varying Applications

Standard Series Iris Diaphragms can provide control of system f/# (f/# = focal length/effective diameter), field stop diameter, and overall energy throughput when incorporated into standard optical systems. It should be noted that the location of the iris is critical to how it will affect the system. All of these diaphragms offer exceptionally smooth operation over the lever travel, from maximum to minimum aperture (approximately 90°). Mounted versions of these diaphragms feature a tapped hole for easy post mounting. Standard Series Iris Diaphragms have blued spring steel leave construction and black housing finish with lever actuators that are available in two styles: stainless steel “pin” or plastic “tab.” These diaphragms are specifically designed for OEM integration and general laboratory use.

For specific OEM application assistance, please contact our Applications Engineering Department.

Note: Iris Diaphragm Mounts sold separately.

Technical Information

*All dimensions in mm
Outside Diameter A Maximum Aperture B Minimum Aperture C Thickness D Stock No.
10.0 5.0 0.60 4.50 #54-352
14.8 8.00 0.80 4.50 #32-623
15.5 8.50 1.00 5.30 #42-124
19.8 12.0 0.80 5.0 #30-263
22.0 14.0 1.0 6.0 #42-123
24.0 15.0 1.2 5.0 #32-622
28.0 18.0 1.2 5.0 #32-621
30.0 20.0 1.2 5.5 #35-111
31.0 18.0 1.5 6.5 #36-623
33.0 22.0 1.4 5.5 #32-620
37.0 25.0 0.8 5.5 #35-110
40.0 28.0 1.5 5.5 #42-122
42.0 42.6 1.2 5.8 #40-997
42.0 30.0 1.5 6.0 #64-500
48.0 48.0 1.2 6.8 #40-998
48.5 30.0 1.2 7.0 #42-121
49.0 34.0 1.5 6.5 #41-972
50.0 36.0 1.9 6.0 #32-619
53.0 37.0 1.9 6.0 #32-618
55.0 41.0 2.0 6.5 #41-973
58.0 42.0 2.0 6.5 #30-118
60.0 40.0 2.5 7.8 #36-624
70.0 50.0 2.5 7.5 #32-617
77.0 59.0 7.0 8.0 #32-616
80.0 58.0 3.0 8.0 #32-615
82.0 60.0 4.0 10.1 #36-625
92.0 70.0 4.5 9.0 #32-614
100.0 75.0 4.5 9.0 #30-264
110.0 80.5 4.5 10.0 #32-613
120.0 90.0 5.0 12.0 #32-612
130.0 98.0 5.0 12.0 #32-611
140.0 104.0 5.0 11.0 #32-610
150.0 110.0 6.0 13.0 #60-644
165.0 120.0 6.0 15.0 #32-609
180.0 138.0 11.5 13.0 #32-608
208.0 158.0 11.0 16.0 #70-894
300.0 225.0 12.0 19.0 #70-895