Objective Lenses
None of the objectives are planar lenses (i.e. they do not have a flat field). Leica recommends zooms ≥1.6 to avoid out-of-focus regions around the edge of the field.
| Standard Objective Lenses (on both SPE1 & SPE2) | |||||
| Magnification | Type | Immersion | NA | DIC | Coverslip Correction |
|---|---|---|---|---|---|
| 10x | ACS APO | Air | 0.3 | C | None |
| 20x | ACS APO | Multi | 0.6 | no | 0 - 0.17 |
| 40x | ACS APO | Oil | 1.15 | E | 0.17 |
| 63x | ACS APO | Oil | 1.3 | E | 0.17 |
| Water Dipping Lenses (only on SPE1) | |||||
| Magnification | Type | Immersion | NA | DIC | |
| 10x | HCX APO | Water Dipping | no | None | |
| 63x | HCX APO | Water Dipping | 0.9 | no | None |
| Letters in column 5 indicate the correct DIC prism to use with the lens | |||||