DIG35 Specification: Metadata for Digital Images. Version 1.0

Annex B:Image Creation Metadata DIG35 Specification 2000-08-30Exposure Time: This field specifies the exposure time used when the image was captured. The value of this field is storedin seconds.F-Number: This field specifies the lens f-number (ratio of lens aperture to focal length) used when the image was captured.Exposure Program: This field specifies the class of exposure program that the camera used at the time the image wascaptured.Table B-6: Suggested Exposure Program valuesValueManualProgram NormalAperture PriorityShutter PriorityProgram CreativeProgram ActionPortrait ModeLandscape ModeMeaningThe exposure setting set manually by the photographer.A general purpose auto-exposure programThe user selected the aperture and the camera selected the shutter speed for properexposureThe user selected the shutter speed and the camera selected the aperture for properexposureThe exposure setting is biased toward greater depth of fieldThe exposure setting is biased toward faster shutter speedThe exposure setting is intended for close-up photos with the background out of focusThe exposure setting is intended for landscapes with the background in good focusVersion 1.0 © 2000 Digital Imaging Group, Inc. 35