US 2016/0062096 A1 Example 1 — Canon / Hatada
| Patent f=9.06-35.69 mm |
| Marketed 8.8-36.8 mm |
| f/1.8-2.8 |
| 11 elements / 9 groups |
| 4 aspherical surfaces / 1 UD element |
Single-element L4 inner focus; close endpoints use paraxial L4 travel estimates. Patent close plots are 0.10 m wide / 0.50 m tele; data close endpoints follow production 0.05 m wide / 0.40 m tele MFD metadata.
| Element | Type | Glass |
|---|---|---|
| L1a | Negative Meniscus | FDS18 (HOYA; 946180 class) |
| L1b | Positive Meniscus | TAF3 / N-LASF44 class (HOYA/SCHOTT; 804465) |
| L2a | Negative Meniscus | S-LAH66N / S-LAH66 class (OHARA; 773496) |
| L2b | Biconcave Negative (1× Asph) | M-TAF101 (HOYA moldable; 768492 class) |
| L2c | Positive Meniscus | S-NPH3 (OHARA; 959175) |
| L3a | Biconvex Positive (2× Asph) | M-TAF101 (HOYA moldable; 768492 class) |
| L3b | Positive Meniscus | S-LAH55VS (OHARA; 835427) |
| L3c | Negative Meniscus | S-NBH56 (OHARA; 855248) |
| L4 | Biconvex Positive | S-FPL51 (OHARA; 497816) |
| L5a | Biconcave Negative (1× Asph) | M-TAFD305 (HOYA moldable; 851401 class) |
| L5b | Biconvex Positive | S-BSM18 (OHARA; 639554) |
Detailed analysis available in the interactive viewer above.