自拍也是用手指按动快门,这也是动了相机。touchless就是在brakceting拍摄过程中手根本不能碰到脚架和相机。
For Canon cameras, if you set the camera on self timer, and the exposure bracketing on, when you press the shutter button, after 10 sec delay, it will take 3 photos (so no touching from t -9.99 sec to t +x sec).