Canon 318 M - Manual (Page 21)

Perform Zooming According to Necessity
When the zooming switch, situated on the
top side of the camera is pressed while the
shutter
release lever is being pulled, the
magnification of the image changes and the
subject can be exposed on film as an image
gradually becoming larger or smaller.
Power Drive Zooming
By setting the zooming switch at T (tele­
photo) or W (wide-angle), the image becomes
larger or smaller respectively, and zoom up
or zoom back effects can be obtained.
■ Power drive zooming functions only during
the time the trigger is being pulled.
■ Zooming speed is approximately 5.5 seconds.
Pull the Trigger,
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