SIGMA SD1 - Manual (Page 77)

76
AUTO BRACKETING
This function of the camera lets you take a sequence of pictures of the
same subject at three different exposure levels; Appropriate Exposure,
Under Exposure and Over Exposure. If it is difficult to determine the proper
exposure, please use this function.
1
Set the D-dial to position.
2
Turn the A-dial ( ) to set the bracketing
amount. (It can be set in 1 ⁄ 3 EV step
increments up to ±3 EV).
3
Set the D-dial to drive area (P.14).
z The camera will take three pictures in the following sequence; Appropriate
exposure, under exposure and over exposure.
z The number of Auto Bracket exposures will be displayed in the viewfinder
display as follows. (The value of the Auto Bracketed exposure and exposure
counter will be displayed together.) (When the Function Display is on, the
number of Auto Bracket exposures is displayed in the Function Display as
well.)
First Frame Second Frame Third Frame
z
For example: If you set the bracketing amount to 2.0, the indicator in the
viewfinder will show as follow.
P,A,S mode M mode
First Frame 0.0 * Measured Value
Second Frame -2.0 -2.0 EV deviation from Measured Value
Third Frame +2.0 +2.0 EV deviation from Measured Value
(* Measured value is the difference between the correct exposure value of the
camera and your setting value).