Iris Diaphragm Mounts

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Product Details

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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