The Canon EF85mm f/1.2L II USM lens is a
¡“USM” stands for Ultrasonic Motor.
2.Ultrasonic motor (USM) for quick and quiet autofocusing.
3.Electronic manual focusing detects electronically how much the focusing ring is being rotated for manual focusing.
4.Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF).
5.A truly round aperture hole results in a nicer background blur.
Conventions used in this instruction
Warning to prevent lens or camera malfunction or damage.
Supplementary notes on using the lens and taking pictures.