US 2014/0368926 A1 EXAMPLE 4 — FUJIFILM / SUZUKI
| 11 ELEMENTS / 8 GROUPS |
| f ≈ 23.7 mm |
| F/1.4 |
| 2ω ≈ 61.7° |
| 1 ASPHERICAL ELEMENT (2 SURFACES) |
Inner focus: L21 + cemented triplet (L22–L24) translate toward object; G1 and L25 fixed.
| Element | Type | Glass |
|---|---|---|
| L111 | Negative Meniscus | S-FSL5 (OHARA) |
| L112 | Negative Meniscus | S-TIM28 (OHARA) |
| L121 | Plano-Convex Positive | TAFD40 (HOYA) |
| L122 | Biconvex Positive | S-LAH58 (OHARA) |
| L123 | Negative Meniscus | S-TIH6 (OHARA) |
| L124 | Positive Meniscus | S-LAL13 (OHARA) |
| L21 | Neg. Meniscus (2× Asph) | S-LAH63Q (OHARA, PGM) |
| L22 | Biconvex Positive | S-LAH58 (OHARA) |
| L23 | Biconcave Negative | S-TIM25 (OHARA) |
| L24 | Biconvex Positive | S-LAH58 (OHARA) |
| L25 | Biconcave Negative | S-TIH6 (OHARA) |
Detailed analysis available in the interactive viewer above.