Contax Aria - Page 87

190
The
lens
will
always
remain
wide
open
to
provide
a
clearer
view
through
the
viewfinder.
However,
it
can
be
stopped
down
to
your
desired
aperture
by
depressing
this
button
(the
image
in
the
viewfinder
will
become
darker
accordingly)
to
check
the
depth
of
field
or
the
blurred
effect
on
the
background.
@ You cannot get correct exposure when taking
pictures or checking exposure with the
aperture stop-down button.