WO 2022/071249 A1 — Toshiyuki Shimada
| 9 ELEMENTS / 8 GROUPS |
| f = 28.824 mm |
| F/2.909 |
| 2ω = 76.058° |
| 3 ASPHERICAL SURFACES |
Source near station: 19 cm including the original filter path. G2 and G3 move 1.681 mm and 4.792 mm objectward; G1, stop and G4 stay fixed. Intermediate motion is interpolated.
| Element | Type | Glass |
|---|---|---|
| L11 | Biconcave Negative | 532488 class; J-LLF6 catalog spectral proxy (production supplier unspecified) |
| L12 | Plano-Convex Positive | S-LAH65V (OHARA, inferred coordinate counterpart) |
| L21 | Biconvex Positive | S-LAH99 (OHARA, inferred coordinate counterpart) |
| L22 | Biconcave Negative | S-TIH6 (OHARA, inferred coordinate counterpart) |
| L23 | Negative Meniscus | 808227 class; J-SFH1 catalog spectral proxy (production supplier unspecified) |
| L24g | Plano-Convex Positive | S-LAH65V (OHARA, inferred coordinate counterpart) |
| L24r | Pos. Meniscus (1× Asph) | Resin layer (source coordinate; formulation unspecified) |
| L31 | Neg. Meniscus (2× Asph) | 531557 — source optical material (unmatched; supplier unspecified) |
| L32 | Plano-Convex Positive | S-LAH65V (OHARA, inferred coordinate counterpart) |
| L41 | Biconcave Negative | S-TIM22 (OHARA, inferred coordinate counterpart) |