Canon EOS 1 Instructions Manual page 44

44
Focus these subjects as follows:
1. Focus on a substitute subject at the same dis-
tance from the camera as your main subject,
and then recompose the picture using focus
lock function . . . . .. . . .. ... ...... . (A)
2. Hold the camera vertically, focus the subject,
and then recompose the picture using focus
lock function ....... . . . ... . ..... . (0)'
3. Manually focus the subject following the steps
at right.
'When using a lens with a maximum aper-
ture of f/2.8 or larger (except
EF
50 mm f/2 .5
compact macro and
EF 28-80
mm
f/2 .8-4.0L), vertical composition is not
necessary.
Manual Focusing
1) Slide the lens focus mode switch to "M" .
-When using a USM (Ultrasonic Motor)
lens,
this step can be eliminated .