Pentax Spotmatic II Digital Camera User Manual


 
Reproduced for Historical & Reference purposes by Paul M. Provencher -
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Spotmeter III
Selective exposure photography … the most advanced concept in reflected light meters. The
Spotmeter III utilizes an optical reflect system which gives a 21° angle of view on the ground
glass screen. In the center of this viewing screen is a 1° circle which represents the angle
covered by the meter's CdS sensing element. For this reason, it is extremely selective,
permitting precise exposure reading at longer distances, and gives greater control over
exposure problems. Light intensity is read directly from the engraved scales on the viewing
lens. For dark area reading, a scale illuminator glows when a button is depressed. Exposure is
calculated easily by turning movable scales on the side of the meter. The Spotmeter III is also
equipped with an IRE (Institute of Radio Engineers) scale, which is especially useful for
television filming and other special readings.