Does Rodenstock make macro 120mm before the introduction of the colored ring? I guess the ebay auction lens must be macro sironar 120mm.
I ran across this today:
The images clearly show engraving of 120mm on its front cell. It's definitely in a Copal 0 shutter with five aperture blades, not the Copal 1 described elsewhere in this thread, and appears to take 40.5mm filters, not 52mm. Anyone ever seen or used one like it? If so, how sharp were images made by the sample you shot with?
Very interesting find by Sal. Comparing the pictures in the listing against my 120 Sironar-N MC in Copal 1, both the front and rear cells of the lens that's being offered appear to be substantially smaller than the corresponding cells in my sample. Harder to tell about the glass itself from the pictures, but I do wonder whether the glass was re-designed between production runs rather than just the mount being changed.
FWIW, my lens in Copal 1 has serial number 1060xxxx, while the lens in Copal 0 that's offered in this listing has serial number 1090xxxx. So we see at least two production runs, with distinct characteristics, for a product that was offered only briefly and sold in such small numbers that it's not often seen on the second-hand market. Can't help wondering exactly what happened, and why, and whether there are any optical differences between the two versions.
I have a 120mm f/5.6 Sironar-N in my database, shown as being in a Copal 0 shutter and using a 52mm filter.
All of the info in the database came from published catalogs or datasheets, most of which are undated.
- Leigh
If you believe you can, or you believe you can't... you're right.
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