High Performance Zero Aperture Series Iris Diaphragms

High quality materials combined with the highest fabrication standards guarantee that these irises provide optimum performance reliability even under the most extreme conditions. Different leaf and aperture diameter options allow these irises to be successfully integrated into a variety of applications including imaging and high temperature environments. Irises with removable pins are conveniently incorporated into OEM solutions. Known pin/tab angular deviation allows upfront, accurate assessment of movement requirements. Housing is a corrosion resistant, matte finish, black anodized aluminum alloy. Custom variations will be considered for OEM quantities; please contact our Sales Department for quantity discounts.

Technical Information

Outer Diameter A	Maximum Aperture B	Minimum Aperture C	Thickness D	Level Position E	Full Angular Range of Lever F	Stock No.
94mm	60mm	0mm	9mm	4.5mm	98°	#57-592
						#57-599
69mm	40mm		6.5mm	3.25mm	96°	#57-591
						#57-598
48mm	30mm		5mm	2.5mm	100°	#57-590
						#57-597
39mm	22mm		5mm	2.5mm	99°	#57-589
						#57-596
29mm	15mm		5mm	2.5mm	97°	#57-588
						#57-595
25mm	12mm		5mm	2.5mm	96°	#57-587
						#57-594
117mm	75mm		9.5mm	4.75mm	97°	#57-593
						#57-600