JP1963-011590 — Tadayoshi Nito
| 6 ELEMENTS / 5 GROUPS |
| f = 100 mm |
| f/2 |
| 2ω = 24° |
| ALL-SPHERICAL |
NO_INTERNAL_RECONSTRUCTION: published Example 2 is modeled at infinity only; the production 4 ft minimum-focus specification is metadata and is not converted into an internal spacing law.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | 680557 — supplier unresolved |
| L2 | Negative Meniscus | 683315 — supplier unresolved |
| L3 | Positive Meniscus | 680557 — supplier unresolved |
| L4 | Negative Meniscus | 668358 — supplier unresolved |
| L5 | Negative Meniscus | 575391 — supplier unresolved |
| L6 | Biconvex Positive | 704408 — supplier unresolved |