Endoscope having variable magnification and focusing

摘要

PCT No. PCT/DE96/01529 Sec. 371 Date Feb. 17, 1998 Sec. 102(e) Date Feb. 17, 1998 PCT Filed Aug. 19, 1996 PCT Pub. No. WO97/07422 PCT Pub. Date Feb. 27, 1997An endoscope includes a shaft receiving at least a pair of the lens groups movable jointly to provide focusing of an image upon actuation of an adjusting wheel and adapted to be disengaged to have displacement of one of the pair of lens groups relative to the other lens group for adjusting a magnification of the image.