US 2003/0011895 A1 Example 4 — Fuji Photo Optical / Masao Mori
| 10 ELEMENTS / 9 GROUPS |
| f ≈ 50.0 mm |
| F/3.5 |
| 2ω ≈ 69.4° |
| ALL SPHERICAL |
Rear focus — G2 (L21–L24) translates 5.9 mm toward object. Flare-cut fc2 co-travels with G2.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | S-LAH53 (OHARA) |
| L12 | Negative Meniscus | S-LAH53 (OHARA) |
| L13 | Biconvex Positive | S-TIH23 (OHARA) |
| L14 | Negative Meniscus | S-NPH1 (OHARA) |
| L15 | Biconvex Positive | S-LAL8 (OHARA) |
| L16 | Negative Meniscus | S-NSL36 (OHARA) |
| L21 | Positive Meniscus | S-LAH66 (OHARA) |
| L22 | Negative Meniscus | S-TIM27 (OHARA) |
| L23 | Positive Meniscus | S-PHM52 (OHARA) |
| L24 | Positive Meniscus | S-FPL51 (OHARA) |
Detailed analysis available in the interactive viewer above.