The present invention discloses an angle-adjustable double-lens device of a stereo microscope for a surgical operation. The angle-adjustable double-lens device is provided with an outer shell, an imaging group and an adjusting group； an opening is formed in the outer shell； the imaging group is arranged in the outer shell and is provided with two lenses and an image processing chip, and the two lenses are rotatably arranged in the outer shell； the adjusting group is arranged in the outer shell and is provided with two adjusting units； and each adjusting unit is provided with a driving motor, a cam and a limiting member, the driving motor is arranged on the outer shell, the cam is sleeved on the driving motor and abutted against one of the lenses, and the limiting member is combined with the outer shell and one of the lenses, so that the lens keeps abutting against the cam. This invention provides an angle-adjustable double-lens device capable of adjusting an angle, providing images for different depths in real time and shortening the surgical operation time.一種用於手術立體顯微鏡的可調變角度之雙鏡頭裝置，設有一外殼體、一影像組及一調整組，該外殼體設有一開口，該影像組設於該外殼體內且設有兩鏡頭及一影像處理晶片，該兩鏡頭轉動設於該外殼體內，該調整組設於該外殼體內且設有兩調整單元，各調整單元設有一驅動馬達、一凸輪及一限位件，該驅動馬達設於該外殼體，該凸輪套設於該驅動馬達上並與一鏡頭相抵靠，該限位件與該外殼體及其中一鏡頭相結合，使該鏡頭保持與該凸輪相抵靠，提供一可調變角度、即時提供不同深度影像且可縮短手術時間的可調變角度之雙鏡頭裝置。
