| Thickness | 5mm |
|---|---|
| Brand | Rolyn |
| Type | Iris |
| MPN | 75.0115 |
| Country/Region of Manufacture | United States |
| To Fit Lens Front | 12mm |
| Diameter | 20mm |
| Number of leaves | 12 |
Check the listing for details. Iris Diaphragm 1-12mm (12 blade) Small Mechanical Adjustable Aperature. Condition: New. Listed at 4.99 USD. Iris Diaphragm 1-12mm (12 blade) Mechanical Adjustable Aperature. Exteror diameter is 20mm, thickness is 5mm. Aperature adjusts from 1mm to 12mm. Operates smoothly. This is new old stock from Rolyn Optics, it was manafactured sometime in the 1980's. The body is aluminum and the leaves are steel. New in original packaging, these are very nice.
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