Canon EOS Digital Rebel XTi EF-S 18-55 Kit User Manual - Page 104

C.Fn-3, Flash sync. speed in Av Aperture-priority AE mode, C.Fn-4, Shutter/AE lock button, C.Fn-5,

Get Canon EOS Digital Rebel XTi EF-S 18-55 Kit PDF manuals and user guides View all Canon EOS Digital Rebel XTi EF-S 18-55 Kit manuals
Add to My Manuals
Save this manual to your list of manuals

Page 104 highlights

3 Setting Custom FunctionsN C.Fn-3 Flash sync. speed in Av (Aperture-priority AE) mode 0: Auto The flash sync speed is set automatically within a range of 30 sec. to 1/ 200 sec. to suit the scene's brightness. 1: 1/200sec. (fixed) The flash picture can be taken without camera shake. C.Fn-4 Shutter/AE lock button 0: AF/AE lock 1: AE lock/AF Convenient when you want to focus and meter separately. Press the button to autofocus and press the shutter button halfway to attain AE lock. 2: AF/AF lock, no AE lock In the AI Servo AF mode, you can press the button to stop the AF operation momentarily. This prevents the AF from being thrown off by any obstacle passing between the camera and subject. The exposure is set at the moment the picture is taken. 3: AE/AF, no AE lock This is useful for subjects which keep moving and stopping repeatedly. In the AI Servo AF mode, you can press the button to start or stop the AI Servo AF operation. The exposure is set at the moment the picture is taken. Thus, the focusing and exposure will always be at the optimum point as you wait for the decisive moment. C.Fn-5 AF-assist beam You can enable or disable the camera's AF-assist beam or have it emitted by the EOS-dedicated Speedlite instead. 0: Emits 1: Does not emit The AF-assist beam is not emitted at all regardless of the shooting conditions. This can prevent the AF-assist beam from disturbing another photographer's shooting. 2: Only external flash emits With an EOS-dedicated Speedlite, it will emit the AF-assist beam when necessary. 104

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
3
Setting Custom Functions
N
104
C.Fn-3
Flash sync. speed in Av (Aperture-priority AE) mode
0:
Auto
The flash sync speed is set automatically within a range of 30 sec. to 1/
200 sec. to suit the scene’s brightness.
1:
1/200sec. (fixed)
The flash picture can be taken without camera shake.
C.Fn-4
Shutter/AE lock button
0:
AF/AE lock
1:
AE lock/AF
Convenient when you want to focus and meter separately. Press the <
A
>
button to autofocus and press the shutter button halfway to attain AE lock.
2:
AF/AF lock, no AE lock
In the AI Servo AF mode, you can press the <
A
> button to stop the AF
operation momentarily. This prevents the AF from being thrown off by
any obstacle passing between the camera and subject. The exposure
is set at the moment the picture is taken.
3:
AE/AF, no AE lock
This is useful for subjects which keep moving and stopping repeatedly.
In the AI Servo AF mode, you can press the <
A
> button to start or
stop the AI Servo AF operation. The exposure is set at the moment the
picture is taken. Thus, the focusing and exposure will always be at the
optimum point as you wait for the decisive moment.
C.Fn-5
AF-assist beam
You can enable or disable the camera’s AF-assist beam or have it emitted
by the EOS-dedicated Speedlite instead.
0:
Emits
1:
Does not emit
The AF-assist beam is not emitted at all regardless of the shooting conditions. This
can prevent the AF-assist beam from disturbing another photographer’s shooting.
2:
Only external flash emits
With an EOS-dedicated Speedlite, it will emit the AF-assist beam when
necessary.