Nikon FE2 - Understanding EV Range

EV
Ranqe
of
the
Gamera
The
camera's
meter may
be
used only within
the
shutter
speed
range
covered
by the
exposure value
(fV)
range
of the meter,
which
varies
with the
aperture
and ASA/lSO
settino.
The chart
on
page
31 shows the relationships
betw6en
the f/stop,
shutter
speed and film
speed, indicating
the
usable
functioning
shutter
speed
(for
metering
purposes)
with
any film
speed/
aperture
combination.
Careful
attention
to the following
instructions
will
assure
precise
exposure,
automatibally,
over
the
complete
exposure
control
and meter range
capabilities
of
your
Nikon
FE2.
What is
EV?
Exposure vatue
(EV)
is
a number representing
the
available
combinations
of
shutter
speed and aperture
that
give
the
same
exposure
effect
when the
scene
brightness and ASA/ISO
remain
the
same.
At ASA/ISO 100,
a shutter
speed of one
second
at
f/1.4
is
defined as
EV 1. lf the
aperture is
stopped
down
by one full
f/stop
or the
shutter
speed
is
one
step faster,
the EV increases
by one; if the
aperture is
opened
up by one full f/stop
or the
shutter speed is
one step
slower, EV decreases
by one.
Using
ASA/ISO
100
as an
example, 1
sec. at f 12 is
EV 2, 1
sec. ar
f/5.6 is
EV
5,
while
1/125
sec. at f/5.6 is
EV 12. As
the exposure
is the
same,
1/30
sec.
at f/11 and 1/1000
sec. at f/2 are
also
EV 12.
29