User manual

NO
. 2
ST
EREO
KO
DAK
MANUAL.
JJ
WITH
SUNS
HINE-Th
e s
hutt
er
can
hardly be
op
ened a
nd
closed quickly enough to avoid ove
r-
e
xp
os
ur
e.
VV
ITH
LIGHT
CL
OU
Ds
-Fr
om
Yz
to I seco
nd
will be su
ffi
-
ci
ent.
VVITH
HE
A
VY
CLou
Ds
- From 2
to
5 sec
onds
will be
required.
Th
e above is calculated for
th
e
sa
me ho
ur
s as mentioned
above a
nd
for objects in
th
e open air. For other
hour
s or for
ob
jects in
th
e shado
w,
un
der
po
rches or
un
de
r
tr
ees, no accu-
rate directions can be g
iv
en ; experience only can teach the
proper
exp
os
ur
e
to
give.
STOPS.
Under
certain conditions
it
is
be
st
not
to use
th
e la
rg
est st
op
. In
ma
king
expos
ur
es out-door
s,
fo
r
instance,
th
e
li
ght may be
so
weak
as
to
m
ake
a snap-shot impossible,
yet
so
powerful
th
at with
th
e lar
ge
opening a " time " e
xp
osure
could
not
be m
ade
quickly enough
to
FIG
.
II
.
avoid over-exposure.
Th
e remedy Slide A controls stops
and
when
is
to
u
se
th
e
sma
ll
est stop, wh
ic
h
~':n.1i?:~:i~~opsl~ob~
l
l
o
re
~~';~'ns
.
the
admits
on
ly
;q'
as
much
li
g
ht
as the
largest, thus leng
th
ening
th
e time of expo
sur
e
th
at can be given
witho
ut
injury.
In
making interior e
xp
os
ur
es, especially portraits, it is
so
me-
times desirable to have
th
e o
tj
ect quite close
to
the camera.
In
such cases gr
ea
ter
sh
a
rpn
ess is o
bt
ained by using
th
e
sm
all-
est
stop
.
H
th
e smallest stop is used for insta
nt
aneous ex
po
s
ur
es
th
e
li
g
ht
will be so much re
du
ced
th
at it will n
ot
sufficiently
impr
ess
the im
age
up
on the film a
nd
absolute failure will result.
By s
tu
dying the following rules the b
eg
inner will quickly
master
th
e use of
th
e stop
s: