C.fn Ii: Image; Highlight Tone Priority - Canon EOS Rebel SL2 EOS 200D Instruction Manual

C.Fn II: Image

C.Fn-4
0: Disable
1: Enable
Highlight details are improved. 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, the Auto Lighting Optimizer (p.149) is automatically set to
[Disable] and the setting cannot be changed.
With setting 1, noise (grainy image, banding, etc.) may become slightly
more noticeable than with setting 0.
With setting 1, the settable ISO speed range will be ISO 200 - ISO 25600
(up to ISO 12800 for movies).
Also, the <A> icon will be displayed in the viewfinder and on the LCD
monitor to indicate that highlight tone priority is enabled.

Highlight tone priority

3 Custom Function Setting ItemsN
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