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Iris Mount for 70mm Outer Diameter Irises, #53-921
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.
| Mounting Threads | Outer Diameter (mm) | Compatible Iris Diameter (mm) | Compare | Stock Number | Price | Buy | |
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| M4 x 0.7 and 8-32 | 26.5 | 10.0 | #23-118 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 26.5 | 12.0 | #23-119 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 39.0 | 14.8 | #23-120 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 39.0 | 19.8 | #23-121 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| 8-32 | 30.8 | 19.8 | #53-918 | C$66.50 Qty 5+ C$58.66 Request Quote |
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| M4 x 0.7 and 8-32 | 39.0 | 21.0 | #23-122 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| 8-32 | 32.0 | 21.0 | #54-862 | C$70.70 Qty 5+ C$62.44 Request Quote |
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| M4 x 0.7 and 8-32 | 39.0 | 22.0 | #23-123 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 39.0 | 24.0 | #23-124 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 52.0 | 28.0 | #23-125 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 52.0 | 30.0 | #23-126 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 52.0 | 33.0 | #23-127 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 52.0 | 37.0 | #23-128 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| ¼-20 | 50.8 | 37.0 | #53-919 | C$66.50 Qty 5+ C$58.66 Request Quote |
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| M4 x 0.7 and 8-32 | 52.0 | 38.0 | #23-129 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| ¼-20 | 52.0 | 38.0 | #54-863 | C$70.70 Qty 5+ C$62.44 Request Quote |
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| M4 x 0.7 and 8-32 | 78.0 | 40.0 | #23-130 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| M4 x 0.7 and 8-32 | 78.0 | 53.0 | #23-131 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| ¼-20 | 66.0 | 53.0 | #53-920 | C$95.20 Qty 5+ C$84.42 Request Quote |
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| M4 x 0.7 and 8-32 | 78.0 | 54.0 | #23-132 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| ¼-20 | 67.0 | 54.0 | #54-864 | C$95.20 Qty 5+ C$84.42 Request Quote |
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| M4 x 0.7 and 8-32 | 90.0 | 70.0 | #23-133 | C$64.75 Qty 5+ C$58.38 Request Quote |
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| ¼-20 | 86.0 | 70.0 | #53-921 | C$129.50 Qty 5+ C$114.80 Request Quote |
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| ¼-20 | 88.0 | 72.0 | #54-865 | C$129.50 Qty 5+ C$114.80 Request Quote |
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| M6 x 1.0 and ¼-20 | 205.0 | 180.0 | #23-135 | C$158.20 Qty 5+ C$142.38 Request Quote |
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| 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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