Canon 155 A User Manual

Page 40

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HOW TO USE WITH THE CANON

AT-1

Since the Canon AT-1 is not an AE (Auto

matic Exposure) camera, it is necessary to

manually set the lens aperture ring to the pre

scribed f/stop for automatic flash photog

raphy. However, at any shutter speed except

“B” the shutter speed will be automatically

set to the X synchronization speed of

1/60 sec. when the pilot lamp glows. Refer to

Part II (p. 19) regarding more detailed

explanatioa For manual flash photography

with the AT-1 refer to pp. 20-21.