Canon POWERSHOT PRO1 User Manual page 88

Setting the Shutter Speed (continued)
See page 206 for settings that can be changed in this mode.
Please note that camera shake becomes a factor at slow shutter
speeds. If the camera shake warning
monitor (or in the viewfinder), secure the camera to a tripod
before shooting.
The fastest shutter speed for flash synchronization is 1/250
second. The camera automatically resets the shutter speed to
1/250 second if a faster speed is selected.
The aperture value and shutter speed change according to the
zoom state as follows.
Wide Angle
Shutter Speed Display
The shutter speeds from 4000 to 4 in the display panel are actually
the denominator of a fraction of a second. For example, 160
indicates a speed of 1/160 second. For slower speeds, quote
marks indicate the decimal place, so that 0"3 indicates 0.3 second
and 2" indicates 2 seconds.
15" 13" 10" 8" 6" 5" 4" 3"2 2"5 2" 1"6 1"3 1" 0"8 0"6
0"5 0"4 0"3
4 5 6 8 10 13 15 20 25 30 40 50 60 80 100 125 160
200 250 320 400 500 640 800 1000 1250 1600 2000
2500 3200 4000
The display of shutter speeds from 1/4 to 1/4000 second differs
between the display panel and LCD monitor/viewfinder.
Shutter Speed
Display Panel
LCD Monitor/
Viewfinder
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Aperture Value
F2.4 – 2.8
F3.2 – 5.0
F5.6 – 8.0
F3.5 – 4.0
Telephoto F4.5 – 7.1
15 sec. ··· 0.8 sec. ··· 1/4 sec. ··· 1/4000 sec.
"
15
Shutter Speed (seconds)
F8.0
··· ···
"
··· 0 8 ···
appears on the LCD
to 1/1600
to 1/2000
to 1/4000
to 1/1600
to 1/2000
to 1/4000
···
1/4 ··· 1/4000