Canon 318 M - Manual (Page 25)

Warning Indicator for Macro Filming
■ When the camera set at “M" index mark
entire field-of-view of the viewfinder turns
yellow, indicating macro filming.
■ The depth of field in close-up filming is
shallow Therefore, mount the camera on a
tripod and accurately measure the distance
from the film plane indicator on the camera
to the subject. The depth of field at the
maximum aperture opening of f, 1.8 is ap­
proximately 1cm and 1cm (3,8" and 3,8'} in
front and behind the subject respectively.
The depth of field is approximately 7cm and
30cm (2-3,4" and 11-13 16") in front and
behind the subject respectively at the mini­
mum aperture opening of f/22. Therefore,
perform shooting under the brightest light­
ing conditions possible.
■ The depth of field, with the focused subject
increases as the aperture is closed down and
becomes shallow at the camera closes in on
the subject.
Notice :
■ Be sure to cover the eyepiece with your
hand or by other means when the eye is
not against the eyepiece during panning,
single frame filming or titling. Otherwise,
undesired light may enter through the eye­
piece, and cause incorrect exposure or ghost
images on the film
22.5cm (8-7/8"}
25
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