JP2018-5099A Example 4 — Sigma / Ueda Yūki
| 14 ELEMENTS / 12 GROUPS |
| f ≈ 83.4 mm |
| F/1.46 |
| 2ω ≈ 29.1° |
| 2 ASPHERICAL SURFACES |
Floating rear focus — G1 fixed, G2A and G2B move independently toward object at close focus.
| Element | Type | Glass |
|---|---|---|
| L1 | Pos. Meniscus | TAC8 (HOYA) |
| L2 | Pos. Meniscus | FCD705 (HOYA) |
| L3 | Neg. Meniscus | E-ADF10 (HOYA) |
| L4 | Biconcave Negative | J-KZFH9 (Hikari) |
| L5 | Biconcave Negative | J-KZFH9 (Hikari) |
| L6 | Biconvex Positive | E-FDS1-W (HOYA) |
| L7 | Biconvex Positive | FCD705 (HOYA) |
| L8 | Pos. Meniscus | TAFD30 (HOYA) |
| L9 | Pos. Meniscus | TAF105 (HOYA) |
| L10 | Neg. Meniscus | E-FD15 (HOYA) |
| L11 | Biconcave Negative | J-KZFH9 (Hikari) |
| L12 | Biconvex Positive | TAFD30 (HOYA) |
| L13 | Biconcave Negative | S-NBH52 (OHARA) |
| L14 | Biconvex Positive (2× Asph) | M-TAFD305 (HOYA) |
Detailed analysis available in the interactive viewer above.