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  Drag the green circle to any area on the screen that you 
want to focus on. Press and hold it to lock the focus. 
  Drag the yellow square to any area on the screen where 
you want the camera to meter exposure so as to adjust 
the photo brightness. Press and hold the square to lock 
exposure. 
  Tap    to unfold the options, including ISO, overall 
exposure, white balance, or interval for time lapse 
pictures. 
4.  Tap    to take the photo. 
Using Other Camera Modes 
Besides capturing photos and videos in the traditional way, your 
camera app offers other powerful and interesting camera 
modes. Tap … in the viewfinder screen to find them all. 
  PANORAMA: Capture panorama pictures. 
  TIME LAPSE: Set the time interval between each frame 
when you shot time lapse videos with the back camera. 
  MULTI EXPOSURE: Capture two pictures for collage. 
Recording a Video 
You can record normal-speed video clips. The back camera 
also allows you to record slow motion or time lapse video.