US 2,968,221, Example II — Harry Zöllner
| 5 ELEMENTS / 4 GROUPS |
| f = 119.232 mm (design) |
| F/2.8 (modeled calibration) |
| PATENT 2ω = 46° |
Not modeled: infinity prescription only; 1.3 m MFD is metadata, with no internal motion modeled.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus, convex to object | 668419 — coordinate class (supplier unresolved) |
| L2 | Plano-Convex Positive | 658508 — coordinate class (supplier unresolved) |
| L3 | Plano-Concave Negative | 648338 — coordinate class (supplier unresolved) |
| L4 | Negative Meniscus, concave to object | 728283 — coordinate class (supplier unresolved) |
| L5 | Positive Meniscus, convex to image | 620603 — coordinate class (supplier unresolved) |