(shutter speed) intersect with the diagonal lines extending from the f values of "1.4" to "16" (representing the
minimum aperture of the Yashica Lens ML 50 mm f/1.4), denotes the reading range from EV 1 to 18.
* The EV denotes the value of exposure through combination of the shutter speed and the lens aperture that
yield the same exposure effect on a film when the photographing conditions (film speed rating and prevailing
illumination) remain the same. For example, when using EV 13 from the chart as a guide, it can be seen that the
same exposure effect is attained using the combinations of f/16 at 1/30 sec. and f/8 at 1/125 sec.
* The table showing EV from 1 to 18 and shutter speeds from 11 to 1/1000 sec. denotes the range over which
the camera correctly meters the light in the AUTO mode.
* That part of the operating range which is shown in color denotes the light reading range when using an f/1.4
lens at ASA/ISO 100.
Automatic Exposure
The FX-70 Quartz gives correct exposures
automatically merely by setting the lens to your
desired aperture, thus allowing you to
photograph while paying fall attention to your
subject.
(1) Set the Shutter Selector to "AUTO". This place
the camera in the automatic exposure mode, so that
the shutter speed is set automatically.
(2) Set the Aperture.
Turns the aperture ring on the lens to your desired f/stop.
Intermediate positions may also be used.
(3) Focusing and Composing. Point the camera at the subject,
and while looking through the viewfinder focus by turning
the focusing ring, and compose the picture.
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