US 2018/0059384 A1 Example 1 — FUJIFILM / Noda
| 14 ELEMENTS / 9 GROUPS |
| f ≈ 116.4 mm |
| F/4.12 |
| 2ω ≈ 26.4° |
| 3 ED ELEMENTS |
| ALL SPHERICAL |
Dual-group inner focus. G2 moves 13.5 mm toward image; G4 moves 12.4 mm toward object. Two linear motors, constant overall length. MFD 0.45 m (β = −0.5×).
| Element | Type | Glass |
|---|---|---|
| L11 | Biconvex Positive | S-FSL5 (OHARA) |
| L12 | Biconvex Positive | S-FPL51 (OHARA) |
| L13 | Biconcave Negative | S-NBH51 (OHARA) |
| L14 | Positive Meniscus | S-LAH85V (OHARA) |
| L21 | Biconcave Negative | S-LAH55V (OHARA) |
| L22 | Biconcave Negative | S-NSL36 (OHARA) |
| L23 | Biconvex Positive | S-LAH52Q (OHARA) |
| L31 | Biconvex Positive | S-FPL51 (OHARA) |
| L32 | Negative Meniscus | S-LAM52 (OHARA) |
| L41 | Positive Meniscus | S-BAH27 (OHARA) |
| L42 | Biconvex Positive | S-FPL51 (OHARA) |
| L43 | Negative Meniscus | E-F1 (HOYA) |
| L51 | Biconcave Negative | S-LAH65V (OHARA) |
| L52 | Plano-Convex Positive | S-LAH60V (OHARA) |
Detailed analysis available in the interactive viewer above.