Canon AE-1 - Manual (Page 32)

shutter speed dial until the meter needle
imide the viewtinder moves into the proper
exposure ran^. To confirm this, turn the
shutter speed dial while lookirsg into the
viewfinder ar>d pressing the exposure pre*
view switch at the sarvse time. It H convertient
to turn the shutter speed dial with your
forefinger in order to swiftly cope with the
speed of fast moving subjects. When using
shutter speeds slower than 1/30 second,
the camera should be placed on a tripod to
avoid the possibility of camera shake.
3 Viewing and Focusing
Focusing is performed in the small round
area in the center of the viewfinder. The
smaller central circle is a split-image focusing
screen and around it is the microprism ring.
The split-image rangefinder ascertains that the
image is 'In focus'' when the image divided
horizontally in half matches ar>d becomes
one complete image.
The microprism rangefinder presents a
clear and steady image when in focus. The
microprism conveys a broken, shimmering
Out of Focui In Focu»
image svhen rsot accurately in focus. It is also
possible to focus with the matte screen
outside the smaller central area. You can
focus with either of these focusing aids as
you like, depending on the subfoct condition
and your prefererKe.
27