US 2015/0131163 A1 — Taiga Noda
| 14 ELEMENTS / 10 GROUPS |
| 10.33–23.36 mm DESIGN RANGE |
| f/4.12 DESIGN APERTURE |
| 112.0°–61.6° PUBLISHED FULL FIELD |
| 8 ASPHERICAL SURFACES |
NO_INTERNAL_RECONSTRUCTION: Example 1 publishes infinity-only zoom states. Patent ¶0066 permits L41-only focusing, but no finite-focus L41 travel is given; 0.24 m is production MFD metadata only.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | 755523 — S-YGH51 / S-LAH97 coordinate class (OHARA candidate) |
| L12 | Neg. Meniscus (2× Asph) | Unmatched (740491 coordinate) |
| L13 | Biconcave Negative | 593686 — FCD505 coordinate class (HOYA candidate) |
| L14 | Biconvex Positive | 883408 — S-LAH58 coordinate class (OHARA candidate) |
| L21 | Biconvex Positive (2× Asph) | Unmatched (581592 coordinate) |
| L22 | Negative Meniscus | 816466 — S-LAH59 coordinate class (OHARA candidate) |
| L23 | Biconvex Positive | 734515 — S-LAL59 coordinate class (OHARA candidate) |
| L31 | Biconcave Negative | 773496 — S-LAH66 coordinate class (OHARA candidate) |
| L32 | Biconvex Positive | 497816 — S-FPL51 coordinate class (OHARA candidate) |
| L41 | Biconvex Positive (2× Asph) | 497816 — M-FCD1 coordinate class (HOYA candidate) |
| L42 | Negative Meniscus | 804466 coordinate class (S-LAH65V / H-ZLaF50D candidates) |
| L43 | Biconvex Positive | 497816 — S-FPL51 coordinate class (OHARA candidate) |
| L44 | Biconcave Negative | 697555 — S-LAL14 coordinate class (OHARA candidate) |
| L51 | Biconvex Positive (2× Asph) | 694532 — L-LAL13 coordinate class (OHARA candidate) |