Canon PowerShot S1 IS PowerShot S1 IS Camera User Guide - Page 75

Setting the Shutter Speed - ccd

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Differences between the and Modes. The following settings can be adjusted in but not in mode. mode, · Exposure Compensation · White Balance · ISO Speed · Bracket Mode · Flash Exposure Compensation · Flash (Flash on, Slow Synchro, 2nd-curtain) · Photo Effect · Continuous Shooting · Light Metering Mode · Manual Focus · Intervalometer · AF Frame · AE Lock · FE Lock Setting the Shutter Speed When you set the shutter speed in the shutter speedpriority AE mode, the camera automatically selects an aperture value to match the brightness. Faster shutter speeds allow you to catch an instantaneous image of a moving subject while slower speeds create a flowing effect and allow you to shoot without a flash in dark areas. z Adjust the shutter speed using the W or X arrow when the image is underexposed (insufficient light) or overexposed (too much light) and the correct exposure cannot be obtained. z The nature of CCD image sensors is such that noise in the recorded image increases at slow shutter speeds. This camera, however, applies special processing to images shot at shutter speeds slower than 1.3 seconds to eliminate the noise, thereby producing high-quality images. Nevertheless, a certain amount of processing time may be required before the next image can be shot. z The aperture value and shutter speed change according to the zoom state as follows. Wide Angle End*1 Telephoto End*2 Aperture value f/2.8 - f/5.0 f/5.6 - f/8.0 f/3.1 - f/5.6 f/6.3 - f/8.0 Shutter Speed (seconds) to 1/1250 to 1/2000 to 1/1250 to 1/2000 *1 Maximun wide angle *2 Maximun telephoto z 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. 6. Shooting-Advanced Functions 73

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6.
Shooting-Advanced Functions
73
Differences between the
and
Modes.
The following settings can be adjusted in
mode,
but not in
mode.
Setting the Shutter Speed
When you set the shutter speed in the shutter speed-
priority AE mode, the camera automatically selects
an aperture value to match the brightness. Faster
shutter speeds allow you to catch an instantaneous
image of a moving subject while slower speeds
create a flowing effect and allow you to shoot without
a flash in dark areas.
Adjust the shutter speed using the
or
arrow
when the image is underexposed (insufficient light)
or overexposed (too much light) and the correct
exposure cannot be obtained.
· Exposure Compensation
· White Balance
· ISO Speed
· Bracket Mode
· Flash Exposure Compensation
· Flash (Flash on, Slow Synchro, 2nd-curtain)
· Photo Effect
· Continuous Shooting
· Light Metering Mode
· Manual Focus
· Intervalometer
· AF Frame
· AE Lock
· FE Lock
The nature of CCD image sensors is such that
noise in the recorded image increases at slow
shutter speeds. This camera, however, applies
special processing to images shot at shutter
speeds slower than 1.3 seconds to eliminate the
noise, thereby producing high-quality images.
Nevertheless, a certain amount of processing time
may be required before the next image can be shot.
The aperture value and shutter speed change
according to the zoom state as follows.
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.
Aperture value
Shutter Speed (seconds)
Wide Angle End
*1
f/2.8 – f/5.0
to 1/1250
f/5.6 – f/8.0
to 1/2000
Telephoto End
*2
f/3.1 – f/5.6
to 1/1250
f/6.3 – f/8.0
to 1/2000
*1
Maximun wide angle
*2
Maximun telephoto