US 5,751,485 — Ninth Embodiment, Table 9
| 13 elements / 8 groups |
| 200 mm |
| f/4 marketed; patent F/4.07 |
| 2ω = 12.23° patent |
| 1:1 macro; IF/CRC floating focus |
| All-spherical |
Internal floating focus from US 5,751,485 Table 9. Endpoint model: G2 moves imageward as d8 increases from 5.14048 mm to 37.14078 mm and patent d14 decreases from 45.12496 mm to 13.12466 mm; d5 returns to its infinity value at 1:1 but has a mid-focus excursion to 14.20990 mm at beta = -0.5.
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus | Unmatched dense lanthanum flint class (804/339 patent code) |
| L2 | Biconvex Positive | J-FKH1 (HIKARI, ED fluorophosphate) |
| L3 | Positive Meniscus | J-FKH1 (HIKARI, ED fluorophosphate) |
| L4 | Negative Meniscus | Unmatched lanthanum flint class (796/409 patent code) |
| L5 | Positive Meniscus | S-BSM14 (OHARA) |
| L6 | Negative Meniscus | S-BSM10-class (OHARA; patent νd = 57.03) |
| L7 | Positive Meniscus | Unmatched dense lanthanum flint class (804/339 patent code) |
| L8 | Positive Meniscus | S-TIH6 (OHARA) |
| L9 | Biconcave Negative | S-BSM16-class (OHARA; patent νd = 60.14) |
| L10 | Negative Meniscus | S-TIM28 (OHARA) |
| L11 | Biconvex Positive | S-BSM16-class (OHARA; patent νd = 60.14) |
| L12 | Negative Meniscus | S-LAH66-class (OHARA; close to patent 773/495 code) |
| L13 | Positive Meniscus | S-TIL1-class (OHARA; patent νd = 45.87) |
Detailed analysis available in the interactive viewer above.