Combination of a viewing and/or documenting apparatus and an endoscope as well as a method of operating the combination
AssigneeCarl-Zeiss-Stiftung
InventorUlrich Sander
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Abstract
The invention is directed to a combination of a viewing and/or documenting apparatus and an endoscope connected forward thereof. The endoscope can be pulled out relative to the apparatus and can be deflected at an angle if desired. A coupling is provided between the focusing position of the main objective of the apparatus and the pull-out length of the endoscope in such a manner that the intermediate image supplied by the endoscope is always focused independently of the particular pull-out length.
Claims16
A combination of a viewing and/or documenting apparatus and an endoscope, the combination comprising:
- said apparatus which includes a main objective having a variable focal distance;
- said endoscope which includes a lens system for generating an intermediate image;
- and,
- means for coupling said endoscope to said apparatus so as to permit said endoscope to be pulled away from said apparatus in a pregiven direction to any length within a pregiven range wherein said apparatus is always focused on said intermediate image irrespective of said length within said range.
A method of operating a combination of a viewing and/or documenting apparatus and an endoscope which includes a lens system for generating an intermediate image, the method comprising the steps of:
- providing said apparatus to include a main objective having a variable focal distance;
- and,
- providing a coupling for coupling said endoscope to said apparatus so as to permit said endoscope to be pulled away from said apparatus in a pregiven direction to any length within a pregiven range wherein said apparatus is always focused on said intermediate image irrespective of said length within said range.
Dependencies are inferred from the claim text.