VOIGTLANDER BESSAMATIC - Close-ups

rl
t
Close-ups
of
smoll obiects
ond creotures
os
well
os
the
copying
of
pictures
ond documents
con
be
mode
with'the
Foco" supplementory
lenses,
ovqiloble
in
different
powers
-
f rom
1l+
to
61lz
diopter. With
certoin
lenses
it is
possible
to
use
more thon one
Focor
lens ond obtoin
o
power
of
10
diopters,
representing
o reproduction
rotio of
I
:
.l.85.
Simply screw
the Focor lenses on
the comero
lens
mount.
Focus
in
the usuol woy with
the rqngefinder
or
ground-gloss
screen.
You shou
ld o lwoys stop down
to
f
15.6
or
f
/8
to
ensure
sufficient
depth
of field,
in
the
cose
of
copying
documents we would
even
soy
f/1
I
or
f|l6.
Exposure
is
procticolly
unoffected
by
the Focor
lenses.
lf filters ore
to
be
used,
screw the
filter
in
front
of
the
Focor lens.
When
using
more thon
one
Focor
lens,
ploce
the
one with
the highest
power
(i.e.
with
the
lorgest
number of diopters)
immediotely in
front of the comerq lens.
A
detoiled
Focussing Toble for oll
Focor lenses ond interchongeoble
lenses,
including doto on scqles of
repro-
duction, depth of field, etc.
is ovoiloble
from
your photogrophic
deoler.
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