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Canon 5D Mark III Experience
60
2.5 Custom Functions Menu
C.Fn I: Exposure
Figure 43 - Custom Function 1: Exposure menu.
Exposure Level Increments
This is to change the increments of shutter speed, aperture, and exposure
compensation - 1/2 stop increments or 1/3 stop. This setting will also apply to Auto
Exposure Bracketing (AEB) and Flash Exposure Compensation. Set this depending on
your personal preference and what you are used to using for these increments. Many
photographers prefer the greater precision of 1/3 stops, which is generally the traditional
and standard setting, but you may prefer the simplicity and ease of 1/2 stops. Shutter
speed and aperture will be covered in the Exposure section, and Exposure
Compensation in its own section of the text.
recommend: 1/3-stop
ISO Speed Setting Increments
This sets the increments for ISO, either 1/3 stop or full stop. Again, the setting depends
on your personal preference and what you are used to. Many photographers prefer the
greater precision of 1/3 stops, which is generally the standard setting, but you may
prefer the simplicity and ease of full stops. ISO is discussed in the Exposure section.
recommend: 1/3-stop
Bracketing Auto Cancel
This determines whether or not Auto Exposure Bracketing or White Balance Bracketing
is canceled when you turn off your camera. I recommend that you have this
cancellation set for On: Enable, because if you have a shooting session where you are
bracketing, then use your camera the next day, you will probably have forgotten that it is
set on bracketing, and then most of your shots are going to be improperly exposed.
More on Auto Exposure Bracketing later in this text. recommend: On: Enable