US 10,191,246 B2 Example 1 — Fujifilm / Hiroki Saito
| 14 lens elements / 11 groups |
| 5 moving zoom groups: + - + - + |
| f = 32.94-62.23 mm patent design |
| F4 marketed; F4.12 patent design |
| 5 aspherical surfaces on 3 elements |
| 1 ED + 1 Super ED element |
Inner focusing by L24, the image-side lens of G2. Close-focus spacing is paraxially approximated because the patent publishes infinity-focus zoom spacings only.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | S-NPH4 (OHARA) |
| L12 | Positive Meniscus | S-LAH55VS (OHARA) |
| L21g | Negative Meniscus | S-LAH59 (OHARA) |
| L21r | Aspherical Resin Layer | UV-curing aspherical resin (patent-listed) |
| L22 | Biconcave Negative | S-TIL2 (OHARA) |
| L23 | Biconvex Positive | S-NBH56 (OHARA) |
| L24 | Negative Meniscus | S-BAM12 (OHARA) |
| L31 | Biconvex Positive | S-FPL55 (OHARA) |
| L32 | Biconcave Negative (2x Asph) | S-BAL42 (OHARA) |
| L33 | Plano-Concave Negative | S-TIM35 (OHARA) |
| L34 | Negative Meniscus | S-TIL6 (OHARA) |
| L35 | Biconvex Positive | S-FPL51 (OHARA) |
| L41 | Negative Meniscus (2x Asph) | S-BAL42 (OHARA) |
| L42 | Negative Meniscus | S-LAH71 (OHARA) |
| L51 | Positive Meniscus | TAFD35L / TAFD35 (HOYA) |
Detailed analysis available in the interactive viewer above.