US 6,002,533 Embodiment 1 — Asahi / Yoneyama
| 6 elements / 4 groups |
| f = 99.97 mm |
| F/4 |
| 2ω = 47.6° over 6×7 |
| all spherical |
Patent Table 1 provides only d11 variation for the main lens while used with the close-up attachment. The data file splits d11 around the fixed stop and varies computed back focus; published standalone close focus is 0.443 m.
| Element | Type | Glass |
|---|---|---|
| LM1 | Positive Meniscus | S-LAM52 (OHARA, legacy/NR) |
| LM2 | Positive Meniscus | S-LAL12 (OHARA) |
| LM3 | Negative Meniscus | S-TIM2 (OHARA) |
| LM4 | Positive Meniscus | S-LAM2 (OHARA) |
| LM5 | Negative Meniscus | S-TIH13 (OHARA) |
| LM6 | Positive Meniscus | S-LAM52 (OHARA, legacy/NR) |
Detailed analysis available in the interactive viewer above.