CUSTOM 12 - FOCUS AREA ILLUMINATION
During focus lock, the spot focus area or one of the local focus areas are illuminated to indicate the focus point. The areas are also illuminate when selected using the AF button (p. 46). Custom function 12 has three settings:
10.3 second focus lock indication. The active AF area used for focus is illuminated for 0.3 seconds.
20.6 second focus lock indication. The active AF area used for focus is illuminated for 0.6 seconds.
3Focus area selection only. The focus areas are only illuminated when selected using the AF button.
CUSTOM 13 - SHUTTER LOCK (LENS)
Custom function 13 has two settings:
1Locked. Shutter can only be released when a lens is mounted on the camera.
2Unlocked. Shutter can be released when no lens is mounted on the camera. Use this setting when attaching the camera to a telescope or microscope.
CUSTOM 14 - SHUTTER LOCK (BACK)
Custom function 14 has two settings:
1Locked. Shutter can only be released when the back of the camera is closed.
2Unlocked. Shutter can be released when the back of the camera is open.
72 
ADVANCED
OPERATION 
