APP12 Tags
The JPEG APP12 "Picture Info" segment was used by some older cameras, and
contains ASCII-based meta information. Below are some tags which have been
observed Agfa and Polaroid images, however ExifTool will extract information
from any tags found in this segment.
| Tag ID | Tag Name |
Writable | Values / Notes |
|---|
| 'Aperture' |
Aperture |
N |
|
| 'ColorMode' |
ColorMode |
N |
|
| 'ConTake' |
ConTake |
N |
|
| 'ExpBias' |
ExposureCompensation |
N |
|
| 'FNumber' |
FNumber |
N |
|
| 'FWare' |
FirmwareVersion |
N |
|
| 'Flash' |
Flash |
N |
0 = Off
1 = On |
| 'FocusMode' |
FocusMode |
N |
|
| 'FocusPos' |
FocusPos |
N |
|
| 'ID' |
ID |
N |
|
| 'ImageSize' |
ImageSize |
N |
|
| 'LightS' |
LightS |
N |
|
| 'Macro' |
Macro |
N |
0 = Off
1 = On |
| 'Protect' |
Protect |
N |
|
| 'Quality' |
Quality |
N |
|
| 'Resolution' |
Resolution |
N |
|
| 'Serial#' |
SerialNumber |
N |
|
| 'Shutter' |
ExposureTime |
N |
|
| 'StrobeTime' |
StrobeTime |
N |
|
| 'TimeDate' |
DateTimeOriginal |
N |
|
| 'Type' |
CameraType |
N |
|
| 'Version' |
Version |
N |
|
| 'Ytarget' |
YTarget |
N |
|
| 'Zoom' |
Zoom |
N |
|
| 'ZoomPos' |
ZoomPos |
N |
|
| 'shtr' |
ExposureTime |
N |
|
| 'ylevel' |
YLevel |
N |
|
|
Photoshop uses the JPEG APP12 "Ducky" segment to store some information in
"Save for Web" images.
| Tag ID | Tag Name |
Writable | Values / Notes |
|---|
| 0x0001 |
Quality |
int32u/ |
|
| 0x0002 |
Comment |
string/ |
|
| 0x0003 |
Copyright |
string/ |
|
|
(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Jun 28, 2007
<-- ExifTool Tag Names