User manual
Xo. 1A
Gift
Kodak
numb
er of feet from the subject.
Thi
s
distance varies
with
the
size of the
stop
opening used-
the
smaller the
openi.ng
the
s
hort
er
the
di
sta
nc
e.
Th
e
tab
le below gives
these
distances:
No. l A
Gift
Kodak
Stop
Opening
~o.
l.
"
2.
" 3.
I(
4.
Distance from
lens to
subject
13 f
eet
a
nd
beyond
12 " " '"
lO
8:1
"
O
These
ci.rc
les are
th
e
No.1 same si
ze
as the
stop
openings of t he sh
utter
used on
the
No
.
lA
Gift
O
No.2
Kodak.
They
clearly
show
the
rel
at
ive sizes of
O
No.3 the
va
rious
stop
open-
in
gs
a
nd
how
their
areas
o
No.4
differ.
CO
PYRIGHT'
1
92
2"
BY
The
diagram
be
low
EASTMA
N
KODAK
CO.
shows the rel
at
ive lengt hs
____
N~4
of exposure re
quir
ed
with
the different
st
op
opening
s.
13