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
no
'ColorMode'
ColorMode
no
'ContTake'
ContTake
no
'ExpBias'
ExposureCompensation
no
'FNumber'
FNumber
no
'FWare'
FirmwareVersion
no
'Flash'
Flash
no
0 = Off
'FocusMode'
FocusMode
no
'FocusPos'
FocusPos
no
'ID'
ID
no
'ImageSize'
ImageSize
no
'LightS'
LightS
no
'Macro'
Macro
no
0 = Off
'Protect'
Protect
no
'Quality'
Quality
no
'Resolution'
Resolution
no
'Serial#'
SerialNumber
no
'Shutter'
ExposureTime
no
'StrobeTime'
StrobeTime
no
'TimeDate'
DateTimeOriginal
no
'Type'
CameraType
no
'Version'
Version
no
'Ytarget'
YTarget
no
'Zoom'
Zoom
no
'ZoomPos'
ZoomPos
no
'shtr'
ExposureTime
no
'ylevel'
YLevel
no
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/
Last revised Oct 15, 2024
<-- ExifTool Tag Names
