US 8,767,319 B2 — Yoshihito Souma, Satoru Shibata
| 10 ELEMENTS / 9 GROUPS |
| f = 85.0 mm |
| F/1.45 (PATENT) |
| 2ω = 28.666° |
| ALL SPHERICAL |
Inner focus — Gr2 and the aperture stop translate 9.6 mm toward the object; Gr1 and Gr3 stay fixed. Source near distance: 719.0 mm before the first vertex, or 0.84537 m to the image plane. Track 126.370 mm.
| Element | Type | Glass |
|---|---|---|
| L11 | Positive Meniscus | S-BSM16 (OHARA, inferred coordinate counterpart) |
| L12 | Positive Meniscus | S-LAH65V (OHARA, inferred coordinate counterpart) |
| L13 | Negative Meniscus | NBFD15 (HOYA, inferred coordinate counterpart) |
| L21 | Positive Meniscus | S-LAH55V (OHARA, inferred coordinate counterpart) |
| L22 | Biconcave Negative | S-TIM35 (OHARA, inferred coordinate counterpart) |
| L23 | Positive Meniscus | S-LAH58 (OHARA, inferred coordinate counterpart) |
| L24 | Biconvex Positive | S-LAL18 (OHARA, inferred coordinate counterpart) |
| L31 | Positive Meniscus | S-LAH95 (OHARA, inferred coordinate counterpart) |
| L32 | Biconcave Negative | S-TIM22 (OHARA, inferred coordinate counterpart) |
| L3P | Biconvex Positive (equi-radii) | S-LAH60V (OHARA, inferred coordinate counterpart) |