JP 2014-209144 A EXAMPLE 2 — NIKON / TAMRON
| 19 ELEMENTS / 12 GROUPS |
| f = 205–487 mm |
| F/5.62–5.78 (optical); F/5.6 (marketed) |
| 2ω ≈ 11.8–5.0° |
| ALL SPHERICAL |
| 3 ED ELEMENTS |
Internal focus via G5 (L5) axial translation toward image. G5 is a negative cemented doublet.
| Element | Type | Glass |
|---|---|---|
| L1 | Positive Meniscus | NBFD11 (HOYA) |
| L2 | Biconvex Positive | FPL51 variant [ED] |
| L3 | Biconvex Positive | FPL51 variant [ED] |
| L4 | Negative Meniscus | S-TIM27 (OHARA) |
| L5 | Biconcave Negative | TAC4 (HOYA) / S-LAL18 (OHARA) |
| L6 | Biconcave Negative | S-NSL3 (OHARA) |
| L7 | Positive Meniscus | S-TIH6 (OHARA) |
| L8 | Biconcave Negative | S-NBH51 (OHARA) |
| L9 | Biconvex Positive | S-BAL35 (OHARA) |
| L10 | Negative Meniscus | S-BAH28 (OHARA) |
| L11 | Positive Meniscus | S-LAH95 (OHARA) |
| L12 | Biconvex Positive | N-FK5 (Schott) / E-FEL1 (HOYA) |
| L13 | Biconvex Positive | S-FPL51 (OHARA) / FCD1 (HOYA) [ED] |
| L14 | Negative Meniscus | S-LAH55V (OHARA) / TAFD5 (HOYA) |
| L15 | Positive Meniscus | S-NBH51 (OHARA) |
| L16 | Biconvex Positive | E-ADF10 (HOYA) |
| L17 | Biconcave Negative | TAC4 (HOYA) / S-LAL18 (OHARA) |
| L18 | Negative Meniscus | S-TIM2 (OHARA) |
| L19 | Negative Meniscus | S-LAH55 (OHARA) |
Detailed analysis available in the interactive viewer above.