Yashica A - Daylight Exposure Value Guide; Exposure by Subject, Weather, and Time; Film Speed Exposure Ratings; Exposure Value to Aperture;Speed Chart

Yashica Twin Lens Reflex Guide - Focal Press January 1964 Page 48 / 55
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DAYLIGHT EXPOSURE VALUES
For Yashica models without exposure meter add up the respective figures in Tables 1 2 and 3. The result is the exposure
value to be set. On models without exposure value scale use Table 4 to get aperture-speed combinations (set the shutter to
nearest marked speeds if necessary - e.g.1/25 sec. for 1/30 sec.).