DIG35 Specification: Metadata for Digital Images. Version 1.0

Annex B:Image Creation Metadata DIG35 Specification 2000-08-30Back Light: This field specifies the camera’s evaluation of the lighting conditions at the time of exposure.Table B-9: Back Light valuesValueFront LightBack Light 1Back Light 2MeaningThe subject is illuminated from the front side.The brightness value difference between the subject center and thesurrounding area is greater than one full step (APEX). The frame is exposedfor the subject center.The brightness value difference between the subject center and thesurrounding area is greater than one full step (APEX). The frame is exposedfor the surrounding area.Subject Position: This field specifies the approximate position of the subject in the scene. See section F.2.17 for the formatof this field.Exposure Index: This field specifies the exposure index setting the camera selected.Auto Focus: This field specifies the status of the focus of the capture device at the time of capture.Table B-10: Auto Focus valuesValueAuto Focus UsedAuto FocusInterruptedNear FocusedSoft FocusedManualMeaningThe camera successfully focused on the subject.The image was captured before the camera had successfully focused on thesubject.The camera deliberately focused at a distance closer than the subject toallow for the super-imposition of a focused foreground subject.The camera deliberately did not focus exactly at the subject distance tocreate a softer image (commonly used for portraits).The camera was focused manually.Special Effects: This field specifies the types of special effects filters used. It contains a list of filter fields, where the orderof the fields in the array indicates the stacking order of the filters. The first value in the array is the filter closest tothe original scene.Camera Location: This field specifies the location of the camera when the picture was taken. See section F.2.15 for theformat of this field.Orientation: This field specifies the orientation of the camera when the picture was taken. See section F.2.16 for the formatof this field.Print Aspect Ratio (PAR): This field specifies the print aspect ratio specified by the user when the picture was taken.Example:1/125 1.4Manual-3.0-1.010.5AverageFlash0.005truefalseFront LightVersion 1.0 © 2000 Digital Imaging Group, Inc. 37