Maintenance
20
URNOV
as
seen in
the
mirror,
is absolutely free
of
reflection
and evenly illumi-
nated. The original is then exposed by
switching
the
RILU
lighting
unit
on and
off.
The DURST DA
900
is constructed
for
extreme
requirements and requires
a
minimum
of
care. Even under unfavourable working conditions
this
enlarger retains
its
high capacity. The only care needed is
that
the
steel bands (38) be
wiped
cautiously
from
time
to
time
with
an
oily
cloth. The negative
carrier
glasses, condensers, and the lenses are
cleaned
with
a chamois, or even
better
with
an
anti-static brush
or
cloth
to
remove dust.
All
lenses have
an
anti-reflection coating,
therefore
handle and clean
with
utmost
care
to
avoid scratches.
To
protect
your
DURST DA
900
against
dust
and darkroom dampness, you should cover
it
with
the
durable plastic AUTOCUF hood
wruch
can
be
ordered
as
a
separate accessory.
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