| 摘要 |
A reflex zoom lens barrel comprising a front frame which carries reflex optical lens means having a positive focal length, a rear frame which carries transmission optical lens means having a negative focal length, zooming means for moving the front and rear frames in optical axial direction, to vary a focal length of a combination of the reflex and transmission optical lens means, and focusing means for independently moving only the front frame in the optical axial directions.
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