Sony SLT-A57 &alpha Handbook page 143

To change the setting of [Clear Image Zoom]
The default setting is [On].
MENU button t
desired setting
To change the setting of [Digital Zoom]
The default setting is [Off]. If you want to use higher magnification
regardless of the deterioration of the image, set it to [On].
MENU button t
setting
Magnifies images with higher scale than the optical zoom (ZOOM)
2 t [Clear Image Zoom] t Select the
2 t [Digital Zoom] t Select the desired
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