ExpoImaging ExpoDisc: Sony Custom WB User Manual

ExpoImaging Photo Accessories

ExpoDisc Custom White Balance Procedures
Sony Cameras

Sony A33/A55

1. Install the ExpoDisc and set the camera to Manual Focus mode.
2. Allow the camera to set an automatic exposure using the “P”, “S” or “A”

modes or set the correct manual exposure in “M” mode.

3. Press the WB (White Balance) on the control button to display the White

Balance mode screen.

4. Select (

SET) with the / on the control button, then press the center of

the control button.

5. Aim the camera in the appropriate direction for the given lighting condition

and press the shutter release button. See the ExpoDisc Instruction Manual for
more information on where to aim the camera.

6. The shutter clicks and the calibrated values (ColorTemperature and Color

filter) are displayed.

7. Press the center of the control button again. The monitor returns to the

recording information display with the memorized white balance retained.
The custom white balance setting registered in this operation is effective until
a new setting is registered.

8. If you get the message “Custom WB error” this indicates that you need to

adjust your exposure and reattempt to set your white balance.

9. Remove the ExpoDisc, return the camera to auto focus if desired and start

shooting.

Sony A100

1. Install the ExpoDisc and set the camera to Manual Focus mode.
2. Allow the camera to set an automatic exposure using the “P”, “S” or “A”

modes or set the correct manual exposure in “M” mode.

3. Rotate the function dial on the top-left of the camera to the WB position.
4. Press the Fn button in the center of the function dial to display the White-

Balance mode screen.

5. Using the controller pad to the right of the screen, move up or down to select

the custom white balance icon (

) and press on the controller pad.

6. Select

(set) by pressing on the controller. Press the center button on

the controller. “Use spot metering area. Press shutter to calibrate.” will
appear on the screen.

7. Aim the camera in the appropriate direction for the given lighting condition

and press the shutter release button. See the ExpoDisc Instruction Manual for
more information on where to aim the camera. The screen will display color
temperature values.