JP 2015-161792 A Example 1 — Fujifilm / Carl Zeiss
| 14 elements / 11 groups |
| f' = 51.52 mm patent design |
| FNo. = 2.88 patent design |
| 2ω = 30.6° at infinity |
| 3 aspherical surfaces on 2 elements |
| Floating inner focus to β = -0.98 |
Floating inner focus: G2 translates imageward while G4 and G5 translate objectward; G1, G3, stop, and G6 remain fixed.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | S-TIH53 (OHARA) |
| L12 | Biconvex Positive | S-FPM2 (OHARA) |
| L13 | Biconvex Positive (1× Asph) | M-NBF1 / MP-NBF1 class (HOYA, 743/493) |
| L21 | Biconcave Negative (2× Asph) | M-LAF81 / MP-LAF81 class (HOYA, 731/405) |
| L22 | Biconcave Negative | BSC7 (HOYA) / N-BK7 class (517/642) |
| L23 | Positive Meniscus | S-TIH53 (OHARA) |
| L31 | Biconvex Positive | E-FDS1 / MP-FDS1 class (HOYA, 923/209) |
| L41 | Biconcave Negative | S-TIH13 (OHARA) |
| L42 | Biconvex Positive | S-FPM2 (OHARA) |
| L43 | Biconvex Positive | S-PHM52 (OHARA) |
| L51 | Biconvex Positive | S-LAL18 (OHARA) |
| L61 | Biconcave Negative | S-TIM35 (OHARA) |
| L62 | Plano-Concave Negative | S-NSL36 (OHARA) |
| L63 | Biconvex Positive | S-BAH10 (OHARA) |
Detailed analysis available in the interactive viewer above.