cleaning
for
removing dust
from
the
surface
of
a lens. To remove
most
of
the dust,
wipe
it
away
or
brush
it
away
gently
as
shown
in the
photo
on the
left
.
If
you should
fingerprint
a lens surface,
or
if
it
is
too
dirty
to
clean
with
a blower, clean
the
lens
with
either high-quality lens cleaning paper
or a very
soft
cloth wrapped around
the
end
of
a match stick, etc. The cloth
or
paper can
be dampened
with
lens cleaning solution
or
alcohol.
Wipe
gently
with
a circular
motion
from
the center
outward
.
When
cleaning
larger lenses,
wrap
the
paper
or
cloth directly
around your
finger
to
clean
more
effectively.
With
extremely
dirty
lenses,
shift
the
cloth
or
paper frequently
to
avoid
wiping
the
dirt
back
onto
the lens. A
few
wipes in this manner
should remove
most
stains.
If
gentle cleaning
fails
to
remove a stain,
the
lens should be
taken
into
an
authorized Pentax Service Center
for
servicing.
Excessive heat,
dropping
and scratches will
also damage lenses. Exercise care so
as
not
to
drop
lenses and
do
not
toss
them
around
carelessly. Always cover a lens
with
both
front
and rear caps when
storing
it
away in its case
or
bag.
When
not
using lenses regularly, especially
during humid weather, remove it
from
its case
and check
for
mildew.
Dry
out
the
case
if
necessary.
Light
mildew
can easily be
wiped
off
.
If
mildew
has
formed
on
the
inside
of
the
lens, the lens may require repair.
5
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