WO 2024/135126 A1 Example 1 — Sony Group Corporation
| 15 elements / 12 groups |
| 6 zoom groups: - + + + - + |
| f = 16.49-33.95 mm design |
| F2.8 nominal / F2.91 design |
| 9 aspherical surfaces / 5 aspherical elements |
| Dual floating focus: G4 + G5 |
Patent Example 1 uses dual floating focus: G4 is the focus lens group and G5 is the floating lens group. The data file's close-focus spacings correspond to the patent close state at 247 mm; the metadata closeFocusM follows Sony's production specification of 0.22 m.
| Element | Type | Glass |
|---|---|---|
| L11 | Neg. Meniscus (2× Asph) | M-BACD12 (HOYA) / S-BAL42 (OHARA) |
| L12 | Neg. Meniscus (2× Asph) | M-TAF101 (HOYA) |
| L13 | Biconcave Negative | FCD100 (HOYA), Super-ED fluorophosphate |
| L14 | Positive Meniscus | S-LAH95 (OHARA) / TAFD25 (HOYA) |
| L21 | Negative Meniscus | TAFD35 (HOYA) |
| L22 | Positive Meniscus | S-NBH5 (OHARA) / E-ADF50 (HOYA) |
| L31 | Pos. Meniscus (2× Asph) | M-BACD12 (HOYA) / S-BAL42 (OHARA) |
| L41 | Negative Meniscus | TAFD40 (HOYA) |
| L42 | Biconvex Positive | S-FPL51 (OHARA) / FCD1 (HOYA), ED fluorophosphate |
| L43 | Biconvex Positive (1× Asph) | S-FPL51 (OHARA) / FCD1 (HOYA), ED fluorophosphate |
| L51 | Biconvex Positive | E-FDS1 / M-FDS1 (HOYA) |
| L52 | Biconcave Negative | TAFD35 (HOYA) |
| L61 | Biconvex Positive | FCD505 / FCD515 (HOYA) |
| L62 | Negative Meniscus | S-LAH99 / S-LAH99W (OHARA) / TAFD55 (HOYA) |
| L63 | Neg. Meniscus (2× Asph) | M-TAFD305 (HOYA) |
Detailed analysis available in the interactive viewer above.