Canon EOS 5D 177, Fn II -3 Highlight tone priority, Fn II -4 Auto Lighting Optimizer

3Custom Function SettingsN

C.Fn II -3 Highlight tone priority

0:Disable

1:Enable

Improves the highlight detail. The dynamic range is expanded from the standard 18% gray to bright highlights. The gradation between the grays and highlights becomes smoother.

With setting 1, noise in the shadow areas may be slightly more than usual.

With setting 1, the settable ISO speed range will be 200 - 6400.

Also, <A> (dynamic range) will be displayed on the LCD panel and in the viewfinder.

C.Fn II -4 Auto Lighting Optimizer

If the images comes out dark or the contrast is low, the brightness and contrast are corrected automatically.

For RAW images, the content of the settings in the camera can be applied when processed with Digital Photo Professional (bundled software).

0: Standard	Ð
1: Low
2: Strong
3: Disable

Depending on the shooting conditions, noise might increase.

This function will not work if manual exposure or bulb exposure has been set.

In fully-automatic modes (1/C), [Standard] will be set automatically.

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