TIFF Tag Reference
TIFF Tag Reference
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TIFF Tag BrightnessValue
| IFD | | Exif |
|---|---|---|
| Code | 37379 (hex 0x9203) | |
| Name | BrightnessValue | |
| Type | SRATIONAL | |
| Count | 1 | |
| Default | None |
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.