US 8,994,842 B2 — Common Example A / Example 1
| 8 elements / 7 groups |
| 14-42mm f/3.5-5.6 |
| Patent EFL 14.27-41.18mm |
| 6 aspherical surfaces |
| Micro Four Thirds |
Patent Example 1 second shooting mode: front group G1 shifts object-ward and the single-element G3 focus unit shifts image-ward; G4 remains fixed.
| Element | Type | Glass |
|---|---|---|
| L1 | Negative Meniscus | S-LAH64 (OHARA) |
| L2 | Neg. Meniscus (2× Asph) | Unmatched (moldable crown, 525/558 class) |
| L3 | Positive Meniscus | S-TIH53 (OHARA) |
| L4 | Biconvex Positive (2× Asph) | M-BACD12 / L-BAL42 class (moldable crown, near match) |
| L5 | Biconcave Negative | S-LAM66 (OHARA) |
| L6 | Biconvex Positive | S-FSL5 (OHARA) |
| L7 | Neg. Meniscus (2× Asph) | Unmatched (moldable crown, 531/557 class) |
| L8 | Positive Meniscus | S-TIH6 (OHARA) |
Detailed analysis available in the interactive viewer above.