[IMAGING-181] EXIF lens metadata tags missing in Commons Imaging but recognized in exiftool

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0-alpha1
• Assignee: Unassigned
• Reporter: Saurabh Khanduja
• Created: 07/Apr/16 08:54
• Updated: 03/May/19 08:39
• Resolved: 06/Sep/16 18:10

Description

Hi,
I am new to commons-imaging, so forgive any mistakes.

I was checking exif metadata in pics captured from Iphone and noticed few metadata of Unknown Type tag.

FileName: IPhone_6_IMG_4174.JPG

Metadata:
Make : 'Apple'
Model : 'iPhone 6'
Orientation : 6
XResolution : 72
YResolution : 72
ResolutionUnit : 2
Software : '9.2.1'
DateTime : '2016:03:25 12:01:04'
YCbCrPositioning : 1
ExifOffset : 204
GPSInfo : 1608
ExposureTime : 1/33 (0.03)
FNumber : 11/5 (2.2)
ExposureProgram : 2
PhotographicSensitivity : 250
ExifVersion : 48, 50, 50, 49
DateTimeOriginal : '2016:03:25 12:01:04'
DateTimeDigitized : '2016:03:25 12:01:04'
ComponentsConfiguration : 1, 2, 3, 0
ShutterSpeedValue : 253/50 (5.06)
ApertureValue : 7983/3509 (2.275)
BrightnessValue : 4064/2511 (1.618)
ExposureCompensation : 0
MeteringMode : 5
Flash : 24
FocalLength : 83/20 (4.15)
SubjectArea : 1526, 1140, 731, 729
MakerNote : 65, 112, 112, 108, 101, 32, 105, 79, 83, 0, 0, 1, 77, 77, 0, 11, 0, 1, 0, 9, 0, 0, 0, 1, 0, 0, 0, 4, 0, 2, 0, 7, 0, 0, 2, 46, 0, 0, 0, -104, 0, 3, 0, 7, 0, 0, 0, 104, 0, 0, 2... (838)
SubSecTimeOriginal : '081'
SubSecTimeDigitized : '081'
FlashpixVersion : 48, 49, 48, 48
ColorSpace : 1
ExifImageWidth : 3264
ExifImageLength : 2448
SensingMethod : 2
SceneType : 1
ExposureMode : 0
WhiteBalance : 0
FocalLengthIn35mmFormat : 29
SceneCaptureType : 0
Unknown Tag (0xa432) : 83/20 (4.15), 83/20 (4.15), 11/5 (2.2), 11/5 (2.2)
Unknown Tag (0xa433) : 'Apple'
Unknown Tag (0xa434) : 'iPhone 6 back camera 4.15mm f/2.2'
GPSLatitudeRef : 'N'
GPSLatitude : 28, 28, 1298/100 (12.98)
GPSLongitudeRef : 'E'
GPSLongitude : 77, 4, 1947/100 (19.47)
GPSAltitudeRef : 0
GPSAltitude : 73641/319 (230.85)
GPSTimeStamp : 6, 31, 191/100 (1.91)
GPSSpeedRef : 'K'
GPSSpeed : 0
GPSImgDirectionRef : 'T'
GPSImgDirection : 6757/212 (31.873)
GPSDestBearingRef : 'T'
GPSDestBearing : 6757/212 (31.873)
GPSDateStamp : '2016:03:25'
Unknown Tag (0x1f) : 65
Compression : 6
XResolution : 72
YResolution : 72
ResolutionUnit : 2
JpgFromRawStart : 2012
JpgFromRawLength : 9563

Running exiftool on same image got me, these tags. Note that Lens Info value is "4.15mm f/2.2" but corresponding value above was "Unknown Tag (0xa432) : 83/20 (4.15), 83/20 (4.15), 11/5 (2.2), 11/5 (2.2)".

Lens Info : 4.15mm f/2.2
Lens Make : Apple
Lens Model : iPhone 6 back camera 4.15mm f/2.2