Pentax 140M IQZoom 140M Manual - Page 23

Hard-to-autofocus, Subjects

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HARD-TO-AUTOFOCUS SUBJECTS a) Extremely low-contrast subjects such as a white wall or blue sky in the autofocus frame. b) Subjects which don't reflect much light in the autofocus frame. c) Fast moving subjects. d) Subjects with horizontal lines or com- plex or detailed patterns in the autofocus frame. e) Multiple subjects in foreground of the autofocus frame. f) Subjects positioned against reflected or strong backlight or with extremely bright background. 19

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HARD-TO-AUTOFOCUS
SUBJECTS
a)
Extremely
low
-contrast
subjects
such
as
a
white
wall
or
blue
sky
in
the
autofocus
frame.
b)
Subjects
which
don't
reflect
much
light
in
the
autofocus
frame.
c)
Fast
moving
subjects.
d)
Subjects
with
horizontal
lines
or
com-
plex
or
detailed
patterns
in
the
autofo-
cus
frame.
e)
Multiple
subjects
in
foreground
of
the
autofocus
frame.
f)
Subjects
positioned
against
reflected
or
strong
backlight
or
with
extremely
bright
background.
19