“调焦距”用英语怎么说

比较贵的照相机有可调焦距.More expensive cameras have adjustable focusing.这张照片看上去有些滑稽, 我想你是忘了给照相机调焦距了.This photograph looks funny; I think you forgot to focus the camera.她正在给照相机调焦距.She is focusing her camera....