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TIFF Tag BrightnessValue

IFDExif
Code37379 (hex 0x9203)
NameBrightnessValue
TypeSRATIONAL
Count1
DefaultNone

Description

The value of brightness.

The unit is the APEX (Additive System of Photographic Exposure) setting.

Ordinarily it is given in the range of -99.99 to 99.99. Note that if the numerator of the recorded value is hex FFFFFFFF, Unknown shall be indicated.