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10 SHUTTER
10 Shutter
The New Canon F- 1 ’s hybrid shutter is electronically as well as mechanically con-
trolled. Shutter speeds from 1/2000 to 1/125 sec., ” f ” 1/90 sec.) and ”B” (bulb)
are mechanically governed, while 1/60 to 8 sees. are electronically controlled. With
the AE Finder FN attached and the shutter dial on ”A,” shutter speeds from 1/1000
to 8 sees. are electronically controlled.
The shutter dial of the camera has settings from 2000 to 8, ”A,” ” f ,” and ”B.” The
slow shutter speeds from 2 to 8 seconds are in yellow, while shutter speeds from 1
to 1/2000 sec. are in white. The white numbers are reciprocals of the true shutter
speeds; ”125,” for example, indicates a speed of 1/125 sec. Intermediate settings on
the dial cannot be used, and the dial cannot be turned between ”B” and ”A.”
The red ”A” is for shooting in the aperture priority and stopped-down AE modes
with the Canon AE Finder FN attached. For this setting, pull up the outer ring
and turn the dial until ”A” is aligned with the index on the finder. A scale with
shutter speeds from 8 to 1/1000 sec. will now be displayed below the field of view
as long as the AE Finder FN is attached.
The ” t ” setting is for synchronized flash photography at an X sync. s peed of 1/90
sec. It is not necessary to set the shutter dial to ” t ” when using a dedicated Canon
Speedlite; once the Speedlite’s pilot lamp glows, the camera automatically switches
to 1/90 sec. provided the shutter dial is not on ”B.”
When the shutter dial is set to ”B,” the shutter will remain open as long as you
press the shutter button. The camera’s meter will not give a reading on ”B,” thus
AE photography and match-needle metering are impossible. You will have to ex-
periment or use a separate exposure meter to find the best exposure. It is advisable
to use a tripod and locking cable release for long exposures.
Since ”B” is mechanically controlled, the battery will not be drained on this setting
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