Canon EF 400mm f/4 DO IS II USM EF400mm f/4 DO IS II USM Instructions - Page 11

Focus Preset < How to Focus at the Preset Distance > 70D, EOS REBEL T5i/700D, SL1/100D, T4i/650D, T5/1200D EOS M2* and EOS M when used together with Mount Adapter EF-EOS M By turning the playback ring to the left or right, the focus shifts as far as the preset distance. Focus will shift freely released of AF focusing while the playback ring is still turned. OO If the focus preset switch was set to , the beeper will sound twice. Setting the focus mode switch to power focus (PF) when using the lens with the following cameras enables focus change to a preset focusing distance at a slow speed during movie shooting. Also, you can make a 2-step change in focus shift speed depending on the angle that the playback ring is rotated to. EOS-1D X, EOS 5D Mark III, EOS 6D, EOS OO When turning the playback ring, keep your finger away from the shutter button. In One-Shot AF mode, the exposure will be locked when you press the shutter button halfway and focus is achieved. So if you press the shutter button halfway while turning the playback ring, the exposure may not be correct. OO When not using the focus preset, set the switch to OFF. OO The focus preset function will work while a Live View image is displayed on the camera or when shooting movies for the following cameras: EOS-1D X, EOS 5D Mark III, EOS 6D, EOS 70D, EOS REBEL T5i/700D, SL1/100D, T4i/650D, T5/1200D EOS M2* and EOS M when used together with Mount Adapter EF-EOS M * Not available in certain countries and regions. ENG-10