US 2013/0314585 A1 — Atsushi Oohata, Hiroki Hagiwara
| 7 elements / 4 groups |
| Patent design: 11.007-35.426 mm |
| Patent Fno: 1.860-5.070 |
| 8 aspherical surfaces |
| Infinity-focus zoom states only |
Example 3 publishes infinity-focus zoom states only; Sony's 0.05 m wide-end focus range is metadata only and does not define an internal close-focus state.
| Element | Type | Glass |
|---|---|---|
| L11 | Biconcave Negative (2× Asph) | 851401 class (HOYA M-TAFD305 coordinate match; supplier unproven) |
| L12 | Positive Meniscus | 002193 class (HOYA E-FDS2 coordinate match; supplier unproven) |
| L21 | Positive Lens (2× Asph) | 774472 class (HOYA M-TAF401 coordinate match; supplier unproven) |
| L22 | Biconvex Positive | S-LAH55 — coordinate-compatible spectral proxy; production supplier unconfirmed |
| L23 | Biconcave Negative | E-FD4 — coordinate-compatible spectral proxy; production supplier unconfirmed |
| L31 | Positive Meniscus (2× Asph) | 592670 low-dispersion molding-glass class (HOYA M-PCD51 class; supplier unproven) |
| L41 | Biconvex Positive (2× Asph) | 592670 low-dispersion molding-glass class (HOYA M-PCD51 class; supplier unproven) |