MENU Custom Function Settings

C.Fn-14 Auto reduction of daylight sync

0:Obtains a natural-looking fill-flash automatically.

1:This prevents underexposure of a subject in front of a strong backlight such as a sunset.

C.Fn-15 Shutter curtain synchronization

1:By using a slow sync speed, you can create a light trail following a moving subject. The flash fires right before the shutter closes. This Custom Function can be used to obtain 2nd-curtain sync effects even with EX-series Speedlites which do not have this capability. If an EX-series Speedlite having this capability is set for 2nd-curtain sync, it will override this Custom Function.

C.Fn-16

Safety shift in Av or Tv

Safety shift can be set for the shutter-priority AE and aperture- priority AE modes.

1:If the subject’s brightness changes suddenly and the current shutter-priority AE or aperture-priority AE setting becomes unsuitable, the shutter speed or aperture is shifted to obtain a suitable exposure automatically.

C.Fn-17 AF point activation area

1:The AF point activation area expands by one point all around the manually-selected AF point. A total of 7 AF points become active. This setting is effective for when only one manually-selected AF point is unable to focus track a subject moving erratically.

2:The camera automatically sets the AF point activation area to 7 or 13 points to suit the lens focal length, AF mode, and the subject’s speed during predictive AF. This is effective when the subject’s movement is unpredictable.

The AF point activation area centers on the selected AF point. Therefore, if a peripheral AF point is selected, the AF point activation area will be smaller as shown below.

7-point

activation area

Selected AF point

8

Settings Menu

13-point activation area

Activation area

Setting C.Fn-13 together will also expand the AF point activation area.

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