Pentax ME-F ME-F Manual - Page 59

Pentax ME-F Manual

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will give you shutter speeds in excess of 1/250 sec. when lighting is sufficient. (NOTE: This technique does not work in low-lighting as low lighting necessitates a slow shutter speed.) Depth-of-Field Control: Depending upon the aperture in use, the over-all sharpness of the picture area in front and behind the subject will vary greatly. This effect is known as "depth of field" and can be used to vary the over-all effect of your photos. Maximum Depth of Field: The depth of field becomes progressively deeper as the lens is stopped down to smaller lens apertures and is greatest at minimum aperture. Thus, if you desire to have both your subject and the background in focus, use a small aperture such as f/11 or f/16 (be sure to take precautions against camera shake if a yellow LED lights). Small apertures are also useful for critical close-up work, but for this, refer to a close-up photography guide. Out-of-Focus Highlights: The depth of field becomes progressively shallower at wide lens apertures, and is shallowest at f/2, f/1.7 or f/1.4, depending upon which is the maximum aperture of your lens. A shallow depth of field produces an out-of-focus effect which highlights your subject. As long as the LED does not light at the "OVER" setting, you can obtain this effect, even on a bright, sunny day, by using a wide maximum aperture. 55e

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will
give
you
shutter
speeds
in
excess
of
1/250
sec.
when
lighting
is
sufficient.
(NOTE:
This
technique
does
not
work
in
low
-lighting
as
low
lighting
necessitates
a
slow
shutter
speed.)
Depth
-of
-Field
Control:
Depending
upon
the
aperture
in
use,
the
over-all
sharpness
of
the
picture
area
in
front
and
behind
the
subject
will
vary
greatly.
This
effect
is
known
as
"depth
of
field"
and
can
be
used
to
vary
the
over-all
effect
of
your
photos.
Maximum
Depth
of
Field:
The
depth
of
field
becomes
progressively
deeper
as
the
lens
is
stopped
down
to
smaller
lens
apertures
and
is
greatest
at
minimum
aperture.
Thus,
if
you
desire
to
have
both
your
subject
and
the
background
in
focus,
use
a
small
aperture
such
as
f/11
or
f/16
(be
sure
to
take
precautions
against
camera
shake
if
a
yellow
LED
lights).
Small
apertures
are
also
useful
for
critical
close-up
work,
but
for
this,
refer
to
a
close-up
photography
guide.
Out
-of
-Focus
Highlights:
The
depth
of
field
becomes
progressively
shallower
at
wide
lens
apertures,
and
is
shallowest
at
f/2,
f/1.7
or
f/1.4,
depending
upon
which
is
the
maximum
aperture
of
your
lens.
A
shallow
depth
of
field
produces
an
out
-of
-focus
effect
which
highlights
your
subject.
As
long
as
the
LED
does
not
light
at
the
"OVER"
setting,
you
can
obtain
this
effect,
even
on
a
bright,
sunny
day,
by
using
a
wide
maximum
aperture.
55e