Additional information:
The Steinheil München Cassar S 50 mm f/ 2.8 is a fast normal prime lens for 35 mm SLR cameras with the m42 screw mount.
It's later version in the photo, on the front part of the earlier version was double diaphragm scale. Almost the same name (earlier has "Nr."). Different sizes and diameter of the filter.
Posted by: photocorner Date of publication: 22.02.2011
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