VOIGTLANDER Vito C - Aperture and Depth of Field; Reading off the depth of field

Aperture
ond
DePth
of
Field
The depth
of
field
zone
depends
on
the
operlur.e
setting,
gn{
covers
thot
port
oi
th"
subiect
qreo
in
front
of,
qnd
behind
the
focused
distonce,
which
is
reproduced'
on
the
film
with
occeptoble
shorpness.
Note
thot:
lorge operlures
(e.g.
tn.B\
yield
limited
depth
of
field;
smqll
opertures
(e.g.
tl16)
yield
greoler
depth
of
field.
.
I
neoaing off
the depth
of
field.
-
After
hoving
set
the distonce
(see
next
pcge)
'
hold
th; comero
so
thot
you
con
reod
the operture
mqrks
on
the
depth
of
field
scole
(4)
os
well
os
the distonce
scole
(3)
ot
the some
time.
The
depth
of
field
extends
from
the
distonce
figure
obove
ony
given
left-hond
operture
number
to the
distonce
figure
obovJ
the
corresponding
operture
number
of
the
right
side of
the
A
mork.
I
Consider
the
depth
of
field when
you
odiust
the.
op.ertqrg
lq
motch o
pre'selected
I
;i';ii;;
;p;;d.li-t;r;
tubil.r
"oiii
foio
sreoter
depih
of
field
zone
thon
obtoinoble
I
;i]h;
correct
op'erture
s-d*ing,.
io,
moy-hove
to
$re-set
o
longer
exposure
time
in
I
order
to
orrive
of o
smoller
operture.
_
5
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