US 2003/0133200 A1 — Susumu Sato
| 21 ELEMENTS / 15 GROUPS |
| 70-200mm MARKETED; 71.4-196.0mm DESIGN |
| f/2.8 MARKETED; f/2.88 MODELED |
| 43.2mm IMAGE CIRCLE |
| 5 ED ELEMENTS (PRODUCTION) |
| INTERNAL FOCUS / VR |
PUBLISHED internal focusing: G1R (L14-L15) translates 9.71956 mm toward the object from infinity to the patent's R=1500 mm object-to-image condition; D5 decreases and D9 increases by the same amount at all three zoom stations.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | 804466 — vendor unresolved |
| L12 | Positive Meniscus | J-FKH1 catalog equivalent (patent 498825; production supplier unspecified) |
| L13 | Positive Meniscus | J-FKH1 catalog equivalent (patent 498825; production supplier unspecified) |
| L14 | Negative Meniscus | 847238 — vendor unresolved |
| L15 | Positive Meniscus | S-BSM81 catalog equivalent (patent 640601; production supplier unspecified) |
| L21 | Biconcave Negative | 741527 — vendor unresolved |
| L22 | Biconcave Negative | 487704 — vendor unresolved |
| L23 | Biconvex Positive | 805254 — vendor unresolved |
| L24 | Biconcave Negative | 804396 — vendor unresolved |
| L31 | Positive Meniscus | J-FKH1 catalog equivalent (patent 498825; production supplier unspecified) |
| L32 | Biconvex Positive | J-FKH1 catalog equivalent (patent 498825; production supplier unspecified) |
| L33 | Negative Meniscus | 741527 — vendor unresolved |
| L41 | Negative Meniscus | 805254 — vendor unresolved |
| L42 | Biconvex Positive | 697555 — vendor unresolved |
| L43 | Positive Meniscus | 603655 — vendor unresolved |
| L44 | Biconvex Positive | 847238 — vendor unresolved |
| L45 | Biconcave Negative | 741527 — vendor unresolved |
| L46 | Biconcave Negative | 741527 — vendor unresolved |
| L47 | Positive Meniscus | J-FKH1 catalog equivalent (patent 498825; production supplier unspecified) |
| L48 | Biconvex Positive | 741527 — vendor unresolved |
| L49 | Negative Meniscus | 847238 — vendor unresolved |