Sony A900 User Manual

A histogram is the luminance distribution that shows how many pixels of a 
particular brightness exist in the picture.

To return to the normal playback screen
Press the 

 button again.

Displaying the histogram

The histogram and recording data of the 
displayed image are displayed.

 button

When the image has a bright or dark area 
portion, that portion is flashed on the 
histogram display (Luminance limit 
warning).

Luminance

B (Blue)

R (Red)

G (Green)

Flashing