US 10,571,651 B2 Numerical Data 1 — Canon / Hideki Sakai
| 12 elements / 9 groups |
| f = 51.40 mm design |
| F/2.88 design; marketed f/2.8 |
| 2ω = 66.4° patent field |
| 67.3 mm image circle |
| 0.5× close focus |
| ±12 mm shift / ±8.5° tilt |
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus | S-FTM16 (OHARA) |
| L2 | Biconcave Negative | S-FTM16 (OHARA) |
| L3 | Biconvex Positive | S-LAM7 (OHARA) |
| L4 | Negative Meniscus | S-NBH5 (OHARA) |
| L5 | Positive Meniscus | S-NBH56 (OHARA) |
| L6 | Biconvex Positive | S-FPL51 (OHARA) |
| L7 | Negative Meniscus | S-NBH55 (OHARA) |
| L8 | Biconvex Positive | S-PHM52 (OHARA) |
| L9 | Biconcave Negative | S-NBH5 (OHARA) |
| L10 | Biconcave Negative | S-LAH98 (OHARA) |
| L11 | Biconvex Positive | S-FPL51 (OHARA) |
| L12 | Positive Meniscus | S-LAH99 (OHARA) |
Detailed analysis available in the interactive viewer above.