The Nikon D300 is a professional-level digital SLR camera. Like many SLR cameras, it includes an Auto Exposure Bracketing (AEB) option. The AEB feature allows the user to take at least three consecutive shots with a different exposure for each frame. Originally created for film cameras, AEB was intended to ensure at least one photo would be exposed correctly. Although digital cameras' LCD screens allow photographers to see and correct their exposures immediately, many still use the AEB feature to create high dynamic range (HDR) images. Photographers create these images by shooting multiple exposures of the same scene--capturing the lightest and darkest areas--then merging the shots in photo editing software.
Select "Menu," then choose "Custom Setting E5." Choose flash or exposure bracketing by selecting "AE & Flash" to change both exposure and the flash level; "AE Only" to vary only the exposure; or "Flash Only" to change only the flash level.
Press the "Fn" button and rotate the command dial to select the number of bracketing sequence shots. The Nikon D300 allows you to choose up to nine shots in your sequence.
Press "Fn" again, then rotate the sub-command dial located beneath the "Power" button to select your exposure increment. The settings default to 1/3, 2/3 and 1 exposure value (EV).
Press the shutter-release button once for each exposure increment. For example, if you chose a three-shot bracketing sequence, press the button three times. The camera with automatically adjust the exposure for each shot.
Use a tripod and a remote shutter trigger to ensure each shot is framed exactly the same. To cancel auto bracketing, press the "Fn" button and rotate the main command dial until the bracketing sequence number reads "0."