focusing mechanism meaning in English

倒装置
调焦机构
对焦装置
焦点调整机构

Because of the changes of the surroundings , the camera ' s focusing plane will offset in different degree . in order to ensure the imaging quality of the space camera in complicated environment , the camera ' s focusing plane needs be modulated . so it is necessary to devise a system to adjust the place of the space camera ' s focusing plane . in this paper , auto - focusing mechanism the space camera been reach on
由于环境条件的变化，相机的焦面将产生不同程度的偏移，即离焦，为保证相机在比较复杂的环境条件下的成像质量，需对相机变化的像面加以校正，因此设计一套调整空间相机像面位置的系统，即调焦系统是十分必要的。