US 2023/0367186 A1, Example 1 — Panasonic IP Management
| 12 ELEMENTS / 9 GROUPS |
| f ≈ 9.35 mm |
| F/1.77 |
| 2ω ≈ 99.6° |
| 4 ASPHERICAL SURFACES |
Inner focus via G2 (L10+L11 cemented doublet); linear motor AF.
| Element | Type | Glass |
|---|---|---|
| L1 | Neg. Meniscus | S-LAH65V (OHARA) |
| L2 | Neg. Meniscus (2× Asph) | 534556 — moldable crown (patent nd=1.53380, nu_d=55.6) |
| L3 | Neg. Meniscus (ED) | S-FPL51 (OHARA) |
| L4 | Plano-Concave Negative | J-PSKH4 (Hikari) |
| L5 | Biconvex Positive | S-FTM16 (OHARA) |
| L6 | Biconvex Positive | S-TIH4 (OHARA) |
| L7 | Neg. Meniscus (UHR) | S-LAH79 (OHARA) |
| L8 | Biconvex Positive (ED) | S-FPL51 (OHARA) |
| L9 | Biconvex Positive (2× Asph) | P-SK57Q1 (Schott, 586595) |
| L10 | Biconvex Positive | FDS18 (HOYA) |
| L11 | Biconcave Negative | S-TIH53 (OHARA) |
| L12 | Biconvex Positive | S-PHM52Q (OHARA) |
Detailed analysis available in the interactive viewer above.