Sony DSLR-A900 User Manual

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To check the exposure of the image
2
Press the AEL button to lock the 
exposure.
 (AE lock mark) appears in the 
viewfinder and on the LCD monitor.
AEL button
3
While pressing the AEL button, recompose the image, if 
necessary, and shoot the image.
• If you continue to shoot with the same exposure value, press and hold the 
AEL button after the shooting. The setting is canceled when the button is 
released.
• You can change the function and operation of the AEL button with [AEL 
button] in the 
 Custom menu (page 118).
Hold down the AEL button and place the 
spot metering circle on the spot where the 
lighting is contrasted from the subject. 
The metering indicator displays the 
degree of exposure difference, zero being 
the locked exposure.
Shifting to the + side makes the image 
brighter, and shifting to the – side makes 
the image darker.
When the image is too bright or too dark 
to get the proper exposure, b or B 
appears or flashes at the end of the 
indicator.
Spot metering circle