N.A. W.D. F.N. 0.10 18.5 22
| n.a. | w.d.
（mm） | f.n. | cover glass
thickness （mm） | immersion | spring |
| 0.10 | 18.5 | 22 | - | - | - |
correction
ring | iris
diaphragm | waterproof &
oil proof function | ultra wide anti-reflection coating | super apochromatic | brightfield | darkfield |
| - | - | - | - | - | good | n/a |
| dic | phase-
contrast | relief
contrast | polarized
light | fluorescence
（b, g excitation） | uv fluorescence
（at 365nm） |
| n/a | n/a | n/a | limitation | good | n/a |
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