User manual

Witl, Sun shine -T he lens c an ha r dly be ope n ed a nd sh ut quick eno u gh to avoid O\·e r- expo su re.
Witll Li g ht Clouds -Fr om y; to I s ec ond will btl sufficie nt.
W i th Heavy Cloud s- Fr om 2 to 5 s eco nds will be r eq uir ed .
The above is c alculated for the same hours as mentioned on page 12 and
for objects in the open air . For other hours and for objects in the shadow, under
porches, or under trees, no accurate directions can be g Iven; exp erience only
can teach the proper exposure to give.
The Stops . -On opening the front of th e camera a pivoted
disc may be seeq close behind the shutter, which has thr ee holes
of different
si zes. This disc can be shifted from one side to the
other, so as to bring either hole in the center of the lens. These
holes admit light to the lens in the proportion of I, ~ and frs,
a nd they should be used as follows:
..
I. Tile L ar ges t-F or all ord in ary ins tant aneous expos'tI'es wh en th e s un shin es.
2 . Tile Middle -F or insta nt an eo us ex p osures wh en th e s un-light is u nu su ally stro ng and t here are
no hea vy s had ow s j su ch as in vi ew s on the seasho re or on t he wat er or in t ropica l or semi -
tropi
ca l clim ate's j als o fo r interio rs (time e xp os ure s, th e time of exp os ur e req uir ed is gh·e n in
th e ta b le on pag es 10 and Il l .
13
· .
"