JP 2020-086133 A — Ryosuke Sato, Takehisa Koyama
| 23 ELEMENTS / 17 GROUPS |
| DESIGN f = 72.50-193.95 mm |
| MODELED F/4.11-4.15 |
| 2ω = 33.12°-12.34° |
| 1 ASPHERICAL SURFACE |
| PUBLISHED 1.000 m FOCUS STATE |
PUBLISHED: G6 (L13-L14) translates objectward between infinity and the patent's 1.000 m object-to-image state; travel is 2.6344 / 6.2169 / 16.7858 mm at wide / middle / tele. The marketed 0.92 m state is not reconstructed.
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus, convex to object | 755275 — vendor unresolved |
| L2 | Biconvex Positive | 497816 — vendor unresolved |
| L3 | Positive Meniscus, convex to object | 437951 — vendor unresolved |
| L4 | Negative Meniscus, convex to object | 806333 — vendor unresolved |
| L5 | Biconcave Negative | 487704 — vendor unresolved |
| L6 | Positive Meniscus, convex to object | 847238 — vendor unresolved |
| L7 | Negative Meniscus, concave to object | 773496 — vendor unresolved |
| L8 | Biconvex Positive | 805396 — vendor unresolved |
| L9 | Negative Meniscus, convex to object | 001291 — vendor unresolved |
| L10 | Biconvex Positive | 593686 — vendor unresolved |
| L11 | Positive Meniscus, convex to object | 911353 — vendor unresolved |
| L12 | Biconcave Negative | 800298 — vendor unresolved |
| L13 | Biconvex Positive | 487704 — vendor unresolved |
| L14 | Negative Meniscus, concave to object | 699301 — vendor unresolved |
| L15 | Positive Meniscus, concave to object | 847238 — vendor unresolved |
| L16 | Biconcave Negative | 593670 — vendor unresolved |
| L17 | Biconcave Negative | 801350 — vendor unresolved |
| L18 | Biconvex Positive | 497816 — vendor unresolved |
| L19 | Biconvex Positive | 699301 — vendor unresolved |
| L20 | Negative Meniscus, concave to object | 847238 — vendor unresolved |
| L21 | Biconcave Negative | 729547 — vendor unresolved |
| L22 | Negative Meniscus, concave to object | 835427 — vendor unresolved |
| L23 | Positive Meniscus (1× Asph), convex to object | 589613 — vendor unresolved |