TIFF Tag RawToPreviewGain
| IFD | Image |
|---|---|
| Code | 51112 (hex 0xC7A8) |
| Name | RawToPreviewGain |
| Type | DOUBLE |
| Count | 1 |
| Default | 1.0 |
Description
Used in Preview IFD of DNG files.
The gain (what number the sample values are multiplied by) between the main raw IFD and the preview IFD containing this tag.