Canon EF-S 35mm F2.8 Macro IS STM User Manual - Page 5

General Precautions Shooting Precautions This lens uses a stepping motor to drive the focusing lens. 1. Initial focus lens resetting operations The lens performs an initial reset of the focus lens when the camera is switched on. When the lens is attached to the following cameras*, an initial reset will be performed, as when operation is resumed from an auto power off state. ●● The lens will move in and out of focus during initial reset. 2. Lens sleep mode When the camera is ON, the lens will enter the sleep mode in order to conserve power if it is not operated for a certain period of time. The lens will also constantly be in the sleep mode when the camera's auto power off function is in effect. The focus lens will not be operated when the lens is in the sleep mode. ●● Focusing by rotating the focusing ring is not possible when the lens is in the sleep mode. To exit sleep mode, press the shutter button halfway. * Applicable to the following cameras: EOS 7D Mark II, EOS 7D, EOS 70D, EOS 60D, EOS 60Da, EOS 50D, EOS 40D, EOS 30D, EOS 20D, EOS 20Da, EOS REBEL T3i/600D, EOS REBEL T2i/550D, EOS REBEL T1i/500D, EOS REBEL XSi/450D, EOS REBEL T5/1200D, EOS REBEL T3/1100D, EOS REBEL XS/1000D, EOS DIGITAL REBEL XTi/400D DIGITAL, EOS DIGITAL REBEL XT/350D DIGITAL, EOS DIGITAL REBEL/300D DIGITAL ENG-4