Canon EOS 77D (no lens included) 业主指南

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页码 903
198
a
: Manual Exposure
If the ISO speed is set to A (AUTO) for manual exposure shooting, you 
can set exposure compensation (p.205) as follows:
[z2: Expo.comp./AEB]
[s: Expo comp (hold btn, turn S)] with [14: Custom Controls
under [54: Custom Functions(C.Fn)] (p.409)
Quick Control (p.65)
To obtain a correct flash exposure on the main subject, the flash output 
will be set automatically (autoflash) to match the manually-set aperture. 
Note that the range of settable shutter speed will be limited within 1/200 
sec. to 30 sec or to bulb.
Exposure Compensation with ISO Auto
D
 Using the Built-in Flash
If ISO Auto is set, the ISO speed setting will change to obtain the 
standard exposure with the set shutter speed and aperture. Therefore, 
you may not obtain the desired exposure effect. In such a case, set the 
exposure compensation.
If flash is used when ISO Auto is set, exposure compensation will not be 
applied even if an exposure compensation amount is set.
Under [z2: Auto Lighting Optimizer], if the checkmark [X] for 
[Disable during man expo] is removed, Auto Lighting Optimizer can be 
set even in the <a> mode (p.175).
When ISO Auto is set, you can press the <A> button to lock the ISO 
speed.
If you press the <A> button and recompose the shot, you can see the 
exposure level difference on the exposure level indicator compared to 
when the <A> button was pressed.
If exposure compensation (p.205) was applied in <d>, <s>, or <f> 
mode, the exposure compensation amount already set will still be 
maintained when the shooting mode is switched to <a> with ISO Auto 
set.