Canon T 90 User Manual

Page 147

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The whole numbers are lor increasing exposure

while the fractions are for reducing exposure. The

numbers of "2" and "1

are equivalent to one

f/stop (or one step of the shutter speed), while "4"

and "1/4” are equivalent to two f/stops (or two steps

of the shutter speed) The intermediate settings indi

cate increments of 1/3 f/stop.

I When it is difficult to determine exactly how much

correction to make, bracket the exposure by chang-

I ing the position of the" ■ "dot.