US 2015/0219882 A1 Numerical Example 2 — Canon / Shuichi Mogi
| 14 elements / 11 groups |
| Patent table f = 12.84-60.72 mm |
| Gaussian paraxial EFL = 12.57-62.20 mm |
| f/2.0-3.9 marketed; patent Fno = 2.06-4.02 |
| 6 aspherical surfaces on 3 double-sided aspherical elements |
| 1.5-inch-type fixed-lens camera format |
Inner focus by negative fifth zoom group B5. Patent supplies infinity zoom spacings only; close-focus spacings are paraxially fitted for visualization.
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus | S-NPH2 (OHARA) |
| L2 | Positive Meniscus | S-LAH66 (OHARA) |
| L3 | Biconcave Negative | TAFD35 / TAFD35L class (HOYA) |
| L4 | Biconcave Negative | S-LAL8 (OHARA) |
| L5 | Biconvex Positive | S-NPH3 (OHARA) |
| L6 | Biconvex Positive (2× Asph) | M-TAF101 (HOYA) |
| L7 | Positive Meniscus | S-FSL5 (OHARA) |
| L8 | Negative Meniscus | TAFD40 (HOYA) |
| L9 | Positive Meniscus (2× Asph) | M-LAC130 / MP-LAC130 (HOYA) |
| L10 | Biconcave Negative | S-TIH6 (OHARA) |
| L11 | Biconvex Positive | S-FSL5 (OHARA) |
| L12 | Positive Meniscus | S-LAH60V (OHARA) |
| L13 | Biconcave Negative (2× Asph) | M-TAFD305 (HOYA) |
| L14 | Positive Meniscus | TAFD35 / TAFD35L class (HOYA) |
Detailed analysis available in the interactive viewer above.