Nikon Nikkormat FT3 Manuale di istruzioni - Pagina 28
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ACCESSORIES
Lens Hoods
The use of a lens hood is recommended at all times to
prevent extraneous light from striking the lens surface
and causing flare or ghost, and as
an
added measure of
protection against damage to the lens. Nikon lens
hoods
come
in four types, depending on the lens:
Screw-In, Snap-On, Slip-On
arid
Built-In. They
are
calculated precisely for each focal-length Nikkor lens
to provide maximum protection against stray light.
To
attach or
remove the
snap-on
hood,
first
depress
the
spring
latch
-
which
is marked with
an arrow
-
and
slide
it in the direction
of the arrow. The
hood
will
also fit
directly
over a screw-in filter
,
so
both
can
be
used
on a
lens
at
the
same
time
.
When not in
use,
the
28
snap-on
hood
can
be
reversed for storage on the
lens,
and the
lens
and
its hood
can
be
stored
together in
th_
e eveready case.
Filters
Nikon filters
are
made
of optical glass, ground
and
polished
so
that both
surfaces are optically
flat
and
parallel.
Nikkor lenses and Nikon filters are made for each
other. For best results, use Nikon filters on Nikkor
lenses. The filters
are available
in both screw-in
and
series mounts, depending
on
the lens.
Except
for
the R60, no Nikon ftlter requires
exposure
compensation
when used with the Nikkormat FT3.