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Property Value
Nullable (boxed) ushort value.This property accesses the GammaCompensatedValue DataSet (3:145). The DataSet specifies the value of gamma for the device multiplied by 100. If this DataSet is omitted, receiving equipment should assume that a gamma value of 2.22 applies.
Get accessor returns the tag value if the tag is present in the metadata tree, or null otherwise.
Set accessor replaces the current tag value if the tag is present in the metadata tree, adds the tag if it was not present, or deletes the tag if a null value is passed.
See the IPTC - NAA Digital Newsphoto Parameter Record ver.4 specification for tag usage details.