JP 2022-99402 A Example 1 — Panasonic IP Management / Nishioka
| 9 ELEMENTS / 6 GROUPS |
| f ≈ 90.0 mm |
| F/2.5 |
| 2ω ≈ 34° |
| 2 ASPHERICAL SURFACES (1 ELEMENT) |
| 1 ED ELEMENT |
Inner focus via G2 (L5–L6 cemented doublet). G2 translates toward image during close focus; G1, stop, and G3 remain fixed. Linear stepping motor drive.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | S-LAL18 (OHARA) |
| L2 | Biconvex Positive | S-FPL51 (OHARA) |
| L3 | Biconcave Negative | NBFD29 (HOYA, 770297) |
| L4 | Positive Meniscus | NBFD29 (HOYA, 770297) |
| L5 | Biconvex Positive | S-NPH5 (OHARA) |
| L6 | Biconcave Negative | TAFD35 (HOYA, 911353; patent rounds vd to 35.2) |
| L7 | Biconvex Positive | S-LAL14 (OHARA) |
| L8 | Neg. Meniscus | S-TIH53 (OHARA) |
| L9 | Neg. Meniscus (2× Asph) | L-BBH1 (OHARA) |
Detailed analysis available in the interactive viewer above.