Samsung ST90 ユーザーズマニュアル

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Basic functions
  23
Taking photos
  Digital zoom  
If the zoom indicator is in the digital range, your camera is using 
the digital zoom. By using both the optical zoom and digital zoom, 
you can zoom in up to 25 times.
Optical range
Digital range
Zoom indicator
•  The Digital zoom is not available with the Smart Filter effect or 
Tracking AF option.
•  If you capture a photo with the Digital zoom, the photo quality may 
deteriorate.
   
Zooming
You can shoot close-up photos by adjusting the zoom. Your 
camera has a 5X optical zoom, 2X Intelli zoom, and 5X digital 
zoom. Intelli zoom and digital zoom cannot be used at the same 
time. 
Zoom in
Zoom out
Zoom ratio
Available zoom ratio for videos differs from photo zoom ratio.