WO 2018/052113 A1, Example 1 — Akira Sawamoto
| 11 ELEMENTS / 10 GROUPS |
| MODELED EFL 30.981 mm |
| f/3.5 |
| PATENT IMAGE CIRCLE Ø56 mm |
| 2 ASPHERICAL SURFACES |
NO_INTERNAL_RECONSTRUCTION: patent Example 1 states G1+stop and G2 move independently objectward, but gives no numerical focus spacings; this model preserves the infinity state only. Hasselblad 0.40 m MFD is metadata only.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | S-BSM18 (OHARA) |
| L2 | Negative Meniscus | S-FSL5 (OHARA) |
| L3 | Biconcave Negative | S-FSL5 (OHARA) |
| L4 | Positive Meniscus | J-LASFH24 (HIKARI) |
| L5 | Biconvex Positive | S-FPL51 (OHARA) |
| L6 | Biconcave Negative | S-TIH11 (OHARA) |
| L7 | Biconvex Positive (2× Asph) | S-FPL51 (OHARA) |
| L8 | Biconvex Positive | S-NPH1 (OHARA) |
| L9 | Biconcave Negative | J-LASFH24 (HIKARI) |
| L10 | Positive Meniscus | S-NPH4 (OHARA) |
| L11 | Negative Meniscus | S-TIL6 (OHARA) |