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Pentax ES User Manual

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Page of 24
Asahi Pentax ES Operating Manual Excerpts
Reproduced for Historical and Reference Purposes by Paul M. Provencher
http://whitemetal.com
    Not For Resale.
10
EXPOSURE FACTOR CONTROL DIAL
The scale (4x 2x 1x 1/2x ) indicates exposure
factor
Turn the outer ring of the film type dial, and set 1x
against the orange arrow for normal exposures.
Use this control only when necessary to give
intentional over- or under-exposures within the
range of these factors while working on
"AUTOMATIC".  For example, set the dial at 2x or
4x when shooting against the light, and at 1/2x
against dark backgrounds.  In addition, the dial can
be set between the indicated positions to achieve
more specific exposure control.