JP 2014-048488 A — Numerical Example 4
| 13 elements / 11 groups |
| f = 35.16 mm design |
| F1.45 design / F1.4 marketed |
| 2ω = 63.79° patent |
| 2 aspherical surfaces |
| Floating inner focus |
Floating inner focus: G2 and G3 advance toward the object on separate trajectories; the aperture stop moves with G3.
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus (1× Asph) | M-BACD5N (Hoya) |
| L2 | Biconcave Negative | FCD100 (Hoya, FLD-class) |
| L3 | Biconvex Positive | TAFD55-W (Hoya) |
| L4 | Biconcave Negative | E-FD10 (Hoya) |
| L5 | Biconvex Positive | FCD505 (Hoya, SLD-class) |
| L6 | Biconvex Positive | TAFD55-W (Hoya) |
| L7 | Biconvex Positive | LBC3N (Hoya) |
| L8 | Biconcave Negative | E-F3 (Hoya) |
| L9 | Biconcave Negative | E-FD10 (Hoya) |
| L10 | Biconvex Positive | FCD505 (Hoya, SLD-class) |
| L11 | Biconvex Positive | FCD505 (Hoya, SLD-class) |
| L12 | Biconcave Negative (1× Asph) | M-LAC130 (Hoya) |
| L13 | Biconvex Positive | TAF3D (Hoya) |
Detailed analysis available in the interactive viewer above.