WO 2025/013477 A1 — Takuya Tanaka, Shunsuke Miyagishima
| 21 ELEMENTS / 14 GROUPS |
| 500 mm f/5.6 MARKETED |
| 485.45 mm F/5.70 DESIGN |
| 2ω = 6.38° (PATENT) |
| 5 ED + 2 SUPER ED (MARKETED) |
Inner focus. Patent Example 7 moves only G2 (L21) imageward; the 2.75 m endpoint is a constrained reconstruction solved from Fujifilm MFD with D9 + D11 conserved at 17.001 mm.
| Element | Type | Glass |
|---|---|---|
| L11 | Plano-Convex Positive | S-TIM27 equivalent (coordinate-compatible catalog proxy; vendor unresolved) |
| L12 | Positive Meniscus | 497816 class — vendor unresolved |
| L13 | Plano-Convex Positive | 437951 class — vendor unresolved |
| L14 | Biconcave Negative | 804465 class — vendor unresolved |
| L15 | Biconvex Positive | 437951 class — vendor unresolved |
| L21 | Negative Meniscus | 697555 class — vendor unresolved |
| L31 | Plano-Convex Positive | 497816 class — vendor unresolved |
| L32 | Negative Meniscus | 921240 class — vendor unresolved |
| L33 | Positive Meniscus | 550755 class — vendor unresolved |
| L34 | Biconvex Positive | 847238 class — vendor unresolved |
| L35 | Biconcave Negative | 835427 class — vendor unresolved |
| L36 | Biconcave Negative | 946180 class — vendor unresolved |
| L37 | Biconvex Positive | S-TIM27 equivalent (coordinate-compatible catalog proxy; vendor unresolved) |
| L38 | Negative Meniscus | 773496 class — vendor unresolved |
| L39 | Biconvex Positive | 596392 class — vendor unresolved |
| L40 | Biconcave Negative | 497816 class — vendor unresolved |
| L41 | Negative Meniscus | 871407 class — vendor unresolved |
| L42 | Biconvex Positive | 847238 class — vendor unresolved |
| L43 | Biconcave Negative | 497816 class — vendor unresolved |
| L44 | Biconvex Positive | S-NBH58 (OHARA) equivalent — patent vendor not named |
| L45 | Plano-Concave Negative | 986165 class — vendor unresolved |