User manual

Fig. 1.
PART II .
MAKING THE EXPOSURE.
Section I.- Instantaneous Ex posures.
("Snap Shots.")
T he shutter is always se t, and is op erated
fo r snap s hots by push in g the spri ng a lt e rn at Iy
to ri ght or lef t. (See Fig. I.)
If t he lever stands at t he rig ht hand side of
slot simply push
it to the left and vice versa.
If the spring sho ul d be pushed t he wr ong way, the shu tter
wo
ul d simp ly remain unmoved, and no "click" would be h ea rd,
thus
ind icating that the sp ring should be pu she d in t he o ppo site
dir
ec tion.
To take insta nt aneo us pictur es the ob j ec t should be in t he
br oad op en sunl ight, but the came ra shou ld no t. The sun
sh ould be be hind the back or over t he shoul de r of the operato r.
USE THE LARGEST STOP.
Snap Shots can only be m ade when the largest stop is in th e lens. H a
sma ller stop be used the light will be so much reduced that it will not suf-
ficientl}' impress the ima ge on the fi lm and failure will result. 1 11111a k ing sn ap
sh ots both of the sl ides sh own in Fig. 2 should
A B be pushed down to the limit of motion. Slide
F iE. 2.
A controls t ime and instantaneous expos ur es.
For snap shots this slide must be down.
Slide B con trols the stops of wh ich there
are three. When it is clear down the l arges t
stop is in pla ce . Thi s is the one to lise for all
snap shots; except where the sunlight is unu su-
ally strong
,
and there are no heavy shadow s,
such as views on the water or in tr opical or
semi·tropical climates, wh en the middle stop
may
be u sed .
Th e smallest stop must never be us ed for
snap shots
or abso lut e f ailu re will result.