Without ttl metering – Nikon AI-S Micro-NIKKOR 105mm f-2.8 User Manual
Page 22
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Without TTL metering
At
close
ranges
(reproduction
ratios
greater
than
1:10),
the
amount
of
light
reaching
the
film
de
creases
as
the
lens-to-film
distance
increases.
When
non-TTL
measurement
is
used
in
these
cases,
photo
graphs
will
be
underexposed
unless
you
have
com
pensated
for
this
decrease.
(When
the
Micro-Nikkor
105mm
f/2.8
lens
is
used
with
the
Nikon/Nikkormat
or
Photomic
TTL
meter,
compensation
is
not
neces
sary since the meter will give accurate readings of the
amount of light reaching the film.)
The
tables
at
the
right
give
the
exposure
factors
(compensation
values)
with
exposure
increases
in
f/stops
for
non-TTL
exposure
measurement
at
repro
duction ratios greater than 1:10.
If
you
don’t
want
to
increase
aperture
compensation
more
than
one
full
f/stop,
use
slower
shutter
speeds.
For
example,
for
a
1:1
reproduction
ratio,
use
2-
steps slower shutter speed and then open the lens by
2/3
stop,
or
use
3-steps
slower
shutter
speed
and
then stop the lens down by 1/3 stop.