US 2002/0015231 A1 — Hideki Ogawa
| US 2002/0015231 A1 — Example 1 |
| 15 modeled elements / 11 active groups |
| Design f = 392.025 mm, F/4.12 |
| 2ω = 6.32° |
| r2 radial-polynomial DO phase |
Production lens: inner focusing with USM, 3.5 m MFD. Patent Example 1 publishes only the infinity prescription; no internal focus movement is reconstructed (NO_INTERNAL_RECONSTRUCTION).
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | S-BAL41-equivalent class (564607; vendor unproven) |
| L2 | Biconvex Positive | S-BSL7-equivalent class (516641; vendor unproven) |
| L3 | Positive Meniscus | S-NSL3-equivalent class (518590; vendor unproven) |
| L4 | Biconcave Negative | S-LAM7-equivalent class (750353; vendor unproven) |
| L5 | Positive Meniscus | S-FSL5-equivalent class (487702; vendor unproven) |
| L6 | Negative Meniscus | S-TIM25-equivalent class (673321; vendor unproven) |
| L7 | Negative Meniscus | Fluorite (CaF2) class |
| L8 | Negative Meniscus | 805254 class (vendor unresolved) |
| L9 | Biconvex Positive | S-FSL5-equivalent class (487702; vendor unproven) |
| L10 | Biconvex Positive | 762265 class (vendor unresolved) |
| L11 | Biconcave Negative | 804465/804466 class (vendor unresolved) |
| L12 | Biconcave Negative | 804465/804466 class (vendor unresolved) |
| L13 | Biconvex Positive | S-TIM27 / 640345 class (vendor unproven) |
| L14 | Negative Meniscus | 804465/804466 class (vendor unresolved) |
| L15 | Biconvex Positive | S-BSL7-equivalent class (516641; vendor unproven) |