WO 2020/158622 A1 Example 3 — Panasonic / Yoshinaga, Suzuki
| 13 ELEMENTS / 11 GROUPS |
| f ≈ 49.0 mm |
| F/1.4 |
| 2ω ≈ 47.6° |
| 2 ASPHERICAL ELEMENTS (4 SURFACES) |
| 3 ED ELEMENTS |
Dual inner focus: L9 (Fn, linear motor) translates toward image, L10 (Fp, stepping motor) counter-translates toward object. G1 and G4 fixed.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | S-NPH2 (OHARA) |
| L2 | Biconcave Negative | S-BSL7 (OHARA) |
| L3 | Biconcave Negative | Dense flint (581/409, uncertain) |
| L4 | Biconvex Positive (2× Asph) | 808409 - PGM-moldable lanthanum crown (MC-NBFD135 code match; patent nd=1.80755, vd=40.9) |
| L5 | Biconvex Positive | FCD515 (Hoya) |
| L6 | Biconvex Positive | FCD515 (Hoya) |
| L7 | Biconcave Negative | S-NBH56 (OHARA) |
| L8 | Biconvex Positive | S-LAH65VS (OHARA) |
| L9 | Negative Meniscus | 717295 - dense flint (SF1 / S-TIH1 code match) |
| L10 | Biconvex Positive | FDS18 (HOYA) |
| L11 | Biconcave Negative | S-TIL26 (OHARA) |
| L12 | Biconvex Positive | FCD705 (HOYA) |
| L13 | Neg. Meniscus (2× Asph) | L-TIM28(P) class (OHARA, PGM) |
Detailed analysis available in the interactive viewer above.