_. BASIC
OPERATION-continued-----------
14
Set
the
film
speed.
• Lift up the ASAIISO film speed ring @ and
rotate it
in
either direction until the white index dot
@
is
opposite the film speed
in
use.
The scale ® on the ASA/ISO dial has settings
from
ASAIISO 25 to 3200. Two dots between each number
stand for intermediate settings, such as 64, 80, etc.
As a convenience, the most popular film speeds of
64, 100,400, and 1000 are
in
red.
12
The film speed,
in
the form of an ASAIISO number,
is
printed on the film carton and also on the cartridge
itself. This number is a numerical rating of the film
's
sensitivity to a given amount of light; the higher the
number, the
greater
the sensitivity, and vice versa.
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