US 2020/0348497 A1 — Akihiko Obama, Masashi Yamashita
| 10-100mm marketed range |
| f/4-5.6 marketed maximum aperture |
| 19 elements / 12 groups |
| 2 ED, 3 aspherical, HRI elements |
| Nikon CX / 1-inch type format |
Inner focus by G3 (L31/L32 cemented doublet). Close-focus offsets are taken from the numerically identical Example 3.
| Element | Type | Glass |
|---|---|---|
| L11 | Negative Meniscus | S-LAH99 (OHARA) |
| L12 | Biconvex Positive | J-FKH1 (HIKARI) |
| L13 | Plano-Convex Positive | S-LAH58 equivalent (Hikari J-LASF08A class) |
| L21r | Neg. Meniscus (Asph resin layer) | Patent-listed compound asphere resin |
| L21g | Negative Meniscus | S-LAH55V equivalent (Hikari J-LASF05 class) |
| L22 | Negative Meniscus | J-LASKH2 (HIKARI; Sumita K-LaSKn1 equivalent) |
| L23 | Biconvex Positive | J-SFH1 (HIKARI) |
| L24 | Negative Meniscus | S-LAH58 equivalent (Hikari J-LASF08A class) |
| L31 | Negative Meniscus | J-LASFH9 (HIKARI) |
| L32 | Biconvex Positive | J-BAF10 / N-BAF10 class |
| L401 | Biconvex Positive | J-FKH1 (HIKARI) |
| L402 | Negative Meniscus | J-LASFH17 / TAFD40 class |
| L403 | Positive Meniscus | S-TIH53 equivalent (Hikari J-SF03 class) |
| L404 | Biconcave Negative (Asph) | M-TAF401 (HOYA; moldable lanthanum-flint equivalent) |
| L405 | Biconvex Positive | N-BAK4 equivalent (Hikari J-BAK4 class) |
| L406 | Biconvex Positive | E-CF6 equivalent (Hikari J-KF6 class) |
| L407 | Biconcave Negative | TAFD25 equivalent (Hikari J-LASFH13 class) |
| L408 | Biconvex Positive | J-SF5 / SF5 class |
| L409 | Negative Meniscus | J-LASFH17 / TAFD40 class |
| L410 | Negative Meniscus (Asph) | M-TAFD305 moldable dense-flint class |