JP H05-164961 Example 1 — Konica / Shimazaki
| 7 elements / 6 groups |
| f = 34.99 mm |
| F/2.0 |
| 2ω = 63° |
| All-spherical |
Unit focus; entire optical cell translates forward, increasing BFD by 2.30 mm at 0.6 m.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | S-LAH66 (OHARA) |
| L2 | Positive Meniscus | S-LAL61 (OHARA) |
| L3 | Negative Meniscus | S-TIH1 (OHARA) |
| L4 | Negative Meniscus | S-FTM16 (OHARA) |
| L5 | Positive Meniscus | S-LAL61 (OHARA) |
| L6 | Biconvex Positive | S-LAH66 (OHARA) |
| L7 | Negative Meniscus | S-TIH10 (OHARA) |
Detailed analysis available in the interactive viewer above.