| 摘要 |
A microscope objective includes an objective sleeve including a first and a second sub-sleeve. A first lens is received in a first mounting ring, a second lens is received in a second mounting ring, a third lens is received in a third mounting ring, and a fourth lens is received in a fourth mounting ring. The first and second mounting rings are received in the first sub-sleeve and the third and fourth mounting rings are received in the second sub-sleeve.
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