US 2016/0011404 A1, Example 5 — Takashi Suzuki
| 7 ELEMENTS / 5 GROUPS |
| f = 27.81 mm DESIGN / 27 mm MARKETED |
| F/2.88 DESIGN / F/2.8 MARKETED |
| 2ω = 55.2° |
| 2 ASPHERICAL SURFACES |
Only the published infinity prescription is modeled. The marketed minimum focus distance is 0.34 m; the patent does not supply a focus travel law.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | S-FTM16 catalog proxy; 593353 class (supplier unproven) |
| L12 | Positive Meniscus | S-LAH58 catalog proxy; 883408 class (supplier unproven) |
| L21 | Biconcave Negative | S-FTM16 catalog proxy; 593353 class (supplier unproven) |
| L22 | Biconvex Positive | TAC8 catalog proxy; 729547 class (supplier unproven) |
| L23 | Negative Meniscus (2× Asph) | M-BACD12 catalog proxy; 583595 class (supplier unproven) |
| L31 | Negative Meniscus | S-TIH6 catalog proxy; 805254 class (supplier unproven) |
| L32 | Biconvex Positive | J-LASFH13 catalog proxy; 904313 class (supplier unproven) |