Factory optical data sheet Sach-Nr. 550513A (Opt.), calculation of 14 June 1958; f' 95.13 mm, 1:4.
| 5 ELEMENTS / 4 GROUPS |
| DESIGN f = 95.13 mm |
| DESIGN F/4 |
Infinity prescription only. The sheet gives no focus travel, so the geometry is static. The 1.5 m close focus is the museum record's value.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | SK5 (Jena; catalog row SK5, Sumita) |
| L2 | Positive Meniscus | SK13 (Jena; catalog row BACD13, Hoya, the SK13-class counterpart) |
| L3 | Biconvex Positive | BK1 (Jena; catalog row BK1, Sumita) |
| L4 | Biconcave Negative | SF15 (Jena; catalog row SF15, Sumita) |
| L5 | Positive Meniscus | SF6 (Jena; catalog row SF6, Schott) |