WO 2024/057734 A1 — Masaru Amano, Taiga Noda, Yasutaka Shimada, Yuya Hirakawa
| 11 ELEMENTS / 9 GROUPS |
| 16–50 mm |
| f/2.8–4.8 |
| 6 ASPHERICAL SURFACES |
NO_INTERNAL_RECONSTRUCTION — G3 is the published focus group and moves imageward toward near focus, but Example 17 gives no close-focus spacings; the model preserves the three infinity-focus zoom states only.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | 773496 — S-LAH66-equivalent class (supplier unresolved) |
| L12 | Biconcave Negative (2× Asph) | Unmatched (nd=1.58510, νd=58.74) |
| L13 | Positive Meniscus | 051269 — TAFD65 spectral proxy (supplier unresolved) |
| L21 | Positive Meniscus | 497816 — N-PK52A / FCD1-equivalent ED class (supplier unresolved) |
| L22 | Biconvex Positive | 593686 — FCD505 spectral proxy (supplier unresolved) |
| L23 | Biconcave Negative | 548458 — S-TIL1-equivalent class (supplier unresolved) |
| L24 | Biconvex Positive | 593686 — FCD505 spectral proxy (supplier unresolved) |
| L25 | Biconcave Negative | 654397 — S-NBH5-equivalent class (supplier unresolved) |
| L26 | Positive Meniscus (2× Asph) | Unmatched (nd=1.58510, νd=58.74) |
| L31 | Biconcave Negative (2× Asph) | 768492 — M-TAF101-equivalent class (supplier unresolved) |
| L41 | Positive Meniscus | 618498 — S-BSM28-equivalent class (supplier unresolved) |