22 RUBY 10 Advanced Features and Functions
Toggle between locking the focus at its
current position or unlocking it. Button on
screen reflects the current state.
Press and hold to zoom out and display
crosshairs on the screen to help you
reposition the object under the camera.
Release to return to the previous
magnification level. You can also use it to
hone on a distant object.
Sample showing the buttons that display while using
the Full-page camera in Default mode