User manual

When mak i ng insta ntaneous exposures the came ra
may be held in the hand s. If time or "bu l b" ex-
posures are
to be made, place the came ra upon some
firm
support, like a tripod, table or chair.
The shutter is self setting and works automati-
ca ll y. Exposures are made by pressi ng push-pin at
end of cab le rele as e "D" or pushing down on release
"e". Avoid making too sharp a bend in the cab le
release as
by doing so it will be li able to kink. Be
sure
to hold th e camera rigid, as a slight jarring wi ll
cause a bl urred neg at ive.
Stops or Diaphra~ms
T he stop or diaphragm is the opening which reg~ i
lates th e amount of lig ht passing through , the lens.
T he opening for
the lens a pertur e can be reduced
or enlarged in accordance w'ith the strength of light
at the time when mak i ng an exposure . .
, f. 7.7- Fo r in sta ntaneous exposures on slightly cloudy days ,
us
ing speed 25 .
f.
ll -F or all ordi nary instantaneous exposures when the sun
s hine s a nd use spee d 25. .
f.1
6- For instantaneous exposures wh en the sunlight is un-
usually stro
ng and there are no h eavy shadows, such as ill views
on the seashore or on the water, using speed SO; also, for interior
"Time" exposures, the time for which is given in the table on
pages 15 and 16.
1. 2l -For instantaneous exposures of extremely di stant views,
marine or snow scenes or clouds, in
br ight suns hine, using speed
25; also for
"Tim e" exposures.
f .32 a nd 45 -For i nt eriors·, Ne ver for instantaneous exPosures.
For " Tim e" exposures outdoors in cloudy weatbe r. Th e time
requ
ir ed for " Time " exposures on cloudy da ys with sma ll est
stop will range from Yo seco nd to 5 seconds, according to the
light. Th e sma ll er the stop t he sh arpe r th e picture.
Abso l ute f ailure will be the res ult if you use the smallest
sto p for in st antan e ous exposures.
Use Stop f.ll and Speed 25
Fo r a ll ordin ary out-door work when the sun is
bright , u se stop f. 11 a nd use speed fS , If a sma ll er
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