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Image search device for endoscopic apparatus, has Pechan prism arranged between objective and image reforming optical system, moved perpendicular with respect to optical axis of objective system
Image search device for endoscopic apparatus, has Pechan prism arranged between objective and image reforming optical system, moved perpendicular with respect to optical axis of objective system
A Pechan, Abbe or Porro prism (24) is arranged between objective optical system (11,12) and an image reforming optical system (26) to guide light between the optical systems. A drive mechanism moves the prism perpendicular with respect to the optical axis (Ax) of objective system.
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