Stainless Steel Series Iris Diaphragms

Stainless steel irises are ideal for applications requiring environmentally stable construction. Made using stainless steel leaves and lever pin with a blackened brass housing, these units will not rust or corrode under normal environmental conditions. The lever travel from maximum to minimum aperture is approximately 90°. In addition to optical applications, stainless steel irises are often used for flow control.

Note: Iris Diaphragm Mounts sold separately.

Technical Information

Dimensions given for unmounted irises
Outside Diameter A	Maximum Aperture B	Minimum Aperture C	Thickness D	Stock No.
				Unmounted	Mounted
14.8	8.0	0.8	4.5	#62-650	—
19.8	12.0	0.9	5.0	#53-910	#62-657
24.0	15.0	0.9	5.0	#64-501	—
28.0	18.0	0.9	5.0	#62-651	—
30.0	20.0	0.9	5.5	#64-502	—
33.0	22.0	0.9	5.5	#64-503	—
37.0	25.0	0.9	5.5	#53-911	#62-658
40.0	28.0	1.3	5.5	#64-504	—
50.0	36.0	1.6	6.0	#64-505	—
53.0	37.0	1.6	6.0	#53-912	#62-659
70.0	50.0	2.8	7.5	#53-913	#62-660
100.0	75.0	5.5	9.0	#62-652	—