| 摘要 |
The invention relates to a device for rapidly changing objectives with threaded fastening on an optical instrument. The object of the present invention of specifying a device which in the case of a microscope with a threaded connection for the objective substantially simplifies the interchange of the objective and greatly shortens the time required for the interexchange, is achieved by a device for removably fitting an objective with an external thread on a corresponding internal thread of an optical instrument which comprises an instrument adaptor which has at one end an external thread corresponding to the external thread of the objective, and at the other end, a bayonet mount for fixably holding a bayonet base, and comprises an objective adaptor which has at one end a bayonet base which can be connected to the bayonet mount of the instrument adaptor, and at the other end an internal thread corresponding to the internal thread of the optical instrument.
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