AWARE SYSTEMS
Exif TIFF Tag GainControl

TIFF Tag GainControl

IFD Exif
Code41991 (hex 0xA407)
NameGainControl
TypeSHORT
Count1
DefaultNone

Description

Indicates the degree of overall image gain adjustment.

The specification defines these values:

0 = None
1 = Low gain up
2 = High gain up
3 = Low gain down
4 = High gain down