Photography

Questions tagged [metadata]

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Metadata is additional data related to a photo, this is usually written by the camera into the image file at the time of shooting but can be edited later. This metadata includes information such as the time and date of shooting, equipment involved and settings used.

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What does Exposure bias in EXIF means? Fujifilm xt1 tag(0x9650)

I was reading this article that talks about Fujifilm ISO being tested against others cameras. https://photographylife.com/does-fuji-cheat-with-its-sensors At the end of the article talks about that ...
Miguel
  • 21
4 votes
3 answers
12k views

How to extract depth information from JPEG files?

Some mobile phones support changing the depth of field using depth information calculated from dual cameras. If the depth information is stored in the jpg file, how can it be extracted?
Jogging Song
  • 255
4 votes
2 answers
4k views

Use DateCreated for DateTaken (CreationTime) on a PNG using ExifTool

I have a load of PNG's that my wife wants to keep that have been captured from our Baby Monitor. The files are named for the date they were captured: yyyymmdd_hhmmss.png Unfortunately there is no ...
Chris
  • 143
5 votes
1 answer
1k views

What do these six lenses in EXIF mean, for the iPhone 7 Plus?

The iPhone 7 Plus has two back cameras, but the lens field in EXIF has six different values: iPhone 7 Plus back camera 3.99mm f/1.8 iPhone 7 Plus back camera 6.6mm f/2.8 iPhone 7 Plus back ...
Kartick Vaddadi
  • 4,726
6 votes
1 answer
840 views

What delimiter to use with keywords?

I'm going through all my photos and one thing I'm doing is adding keywords so I don't need the file name to describe the photo. I don't understand if they should be structured in any sort of way. I ...
Eric Majerus
  • 163
13 votes
4 answers
21k views

Can Exif data be copied completely from one image to another?

My tools are usually Photoshop and Exif Pilot and I know how to export to XMP and import, but I was told that the full Exif data does not copy from one image to another. Is this true? This is my Exif ...
4747 table mesa boulder
  • 131
0 votes
1 answer
194 views

Exporting All Metadata When Exporting JPGs & NEFs To Reduced Size JPGs

In Lightroom, when Exporting NEF and JPG files to reduced size JPGs, How do I get all metadata to export as well? Specifically, my exported files don't include Date Taken or Tags.
David-STL
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6 votes
3 answers
5k views

If EXIF metadata is removed, can I find the software or camera used in any other way?

I have a JPEG photo that has had its EXIF data completely removed. I know the photo was edited. Is there any data left in the altered JPEG that points to image editors or equipment used? For example, ...
user657491
  • 61
41 votes
8 answers
18k views

If an image is rotated losslessly, why does the file size change?

I was searching for methods of lossless image rotation and happened upon this question which explains it rather nicely: Are "Windows Photo Viewer" rotations lossless? So I created a 256×...
oscilatingcretin
  • 543
0 votes
2 answers
2k views

Does EXIF metadata contain AF point(s) used or a distance to a focused object?

I have shot the photography below. I can see that the lamp on the right is in focus, while the building that I actually wanted to show in this photography is out of focus. I am investigating why this ...
dzieciou
  • 503
6 votes
2 answers
772 views

How do XMP files encode aperture?

When I open a Lightroom XMP file, I read this odd line (the photo has been taken at f/8.0, all tools agree with that) exif:ApertureValue="6/1" Apparently, 6/1 means f/8.0, but where is this ...
PPC
  • 234
0 votes
1 answer
63 views

Copying Title and paste it into Keywords (merging)

I would like to process a batch of jpeg and copy the Title into Keywords (by merging contents). I have installed ExifTool but I can't figure it out. Thank you!
John G
  • 1
2 votes
1 answer
1k views

Change JPEG ColorSpace Encoding value

I exported a photo to JPEG without realizing it had embedded Color Profile "ProPhoto RGB". When I opened it in a viewer that, presumably, assumes the sRGB ColorSpace, I really liked the effect. How ...
feetwet
  • 3,573
1 vote
2 answers
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Any program to change Date Created of Videos to actual EXIF data?

I had a look at this topic Is there a free program to (batch) change photo file's date to match EXIF? and it was very useful to change my photos' Date Created values to their rightful date in EXIF,...
NLed
  • 113
1 vote
1 answer
433 views

Resolve naming collisions with EXIF SubSecTime tags

I've started managing my pictures with DigiKam. In order to avoid naming conflicts when importing pictures from multiple camera's in the same album, I wanted to rename al my pictures to contain the ...
PieterV
  • 111
-1 votes
1 answer
486 views

What could cause a loss of EXIF data when converting from RAW to JPEG?

After I convert my image with Irfanview from NEF to JPEG and copying it in another device, I am losing all my EXIF details. Can anyone explain why this is happening?
adi
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2 votes
3 answers
545 views

Lightroom 6 - finding multiple faces with metadata filtering

Is there a way to perform metadata filtering in Lightroom (version 6) that allows finding images that contain multiple faces? For example, I would like to see image where BOTH of my kids are in them (...
Mensur
  • 123
7 votes
2 answers
9k views

Convert regular panoramic photo into google cardboard file

For a school assignment (innovative project) I want to create a sort-of infographic, but then in Google Cardboard. I've got a bunch of panoramic images (not created in Cardboard camera) but it doesn't ...
Lisa
  • 221
3 votes
2 answers
9k views

How to extract all metadata from photos in subdirectories?

I have many thousands of images within a folder and its subfolders. Each subfolder contains other subfolders. In Windows, I'm using the command line and the exiftool to extract a few pieces of ...
Joel
  • 33
0 votes
1 answer
775 views

Olympus Viewer not saving EXIF geotag data in photos?

in the last few months I have been using Olympus Viewer 3 for my photos (I have a Stylus 1 camera). I like geotagging, so at the end of a trip, I usally put all my photos together, check the correct ...
tripuz
  • 11
1 vote
3 answers
126 views

Is Lightroom 6 the tool for me?

At the moment I have many folders of photos, each folder representing an occasion. The photos were mainly taken by DSLRs and are in JPEG/RAW pairs. I would like to have some better way of viewing and ...
geojay
  • 11
5 votes
2 answers
1k views

Custom descriptors vs EXIF vs IPTC

I'm planning to create a digital archive of family photos which will include data on family name, description of the scene in each photo, etc. I'd like the data to be stored with the photo and ...
WebUserLearner
  • 313
2 votes
1 answer
372 views

Which EXIF fields do I use to store Creator information?

I'm a amateur photographer that from time to time publish photos on various web sites for non profit. I would like to add EXIF copyright information to each image so individuals/companies ...
David
  • 123
0 votes
1 answer
467 views

How can I add copyright information to my photos with a Sony Alpha 37?

I have a SONY Alpha 37 Camera. I have been looking for the possibility to enter the author´s name and copyright details, but I found nothing. Does anybody know how can I get it?
Ayoub Falah
  • 101
7 votes
2 answers
801 views

Is there a way to write a "foreign" image so a Fujifilm X camera will display it?

I have a paranoia about accidentally formatting SD cards which contain photos I haven't uploaded yet. I try to be careful about it, but since I'm sometimes juggling two or three cards, I still get ...
mattdm
  • 142k
6 votes
1 answer
7k views

Is it possible to get the time a photo was taken (timezone-aware)?

This seems like a simple task that software accomplishes all the time, but I haven't found a reliable way to do it. There is the DateTimeOriginal EXIF tag, but that is in local time. And it seems ...
Nick S
  • 275
0 votes
1 answer
3k views

Why is the EXIF time different from the time the image was captured?

I have a Samsung Galaxy Tab S that I use to capture geotagged photos. The Android application GPS Essentials is used to collect the images and GPS Essentials names the images with the Date and time (...
GBG
  • 131
2 votes
5 answers
1k views

How to make Lightroom accept metadata added to photos externally?

I'm working on GeoTagger, a tool for geotagging photos based on the user's GPS position in the time of taking the photo (currently it uses GPS data from https://www.moves-app.com/). The process ...
Jakub Roztocil
  • 121
5 votes
1 answer
5k views

What metadata is necessary for Facebook to display a 360°×180° photo correctly?

I have a 360×180 panoramic photo, and I'd like it to display on Facebook similarly to this example from Mark Zuckerberg. I tried following Facebook's documentation, but my image is being interpreted ...
Zack
  • 53
0 votes
2 answers
2k views

How to determine film size from smartphone image exif data?

I took an image from my phone and got its exif data below. It was a samsung note 4, which uses a 35mm film size (24x36) with a 43.27 diagonal. But what I am trying to figure out is the sensor diagonal ...
omega
  • 111
9 votes
2 answers
2k views

Rear or Front Facing Camera through EXIF Data?

I have compared the standard EXIF data from a picture taken with a mobile phone's rear camera and another taken with the same phone's front camera. The same fields appear in both files and no big ...
R3dChief
  • 93
11 votes
1 answer
5k views

When exactly is "GPSTimeStamp"?

I'm trying to use EXIF data from my photos, and I discovered the wonders of the tag "EXIF GPS GPSTimeStamp" (a timezone-independent timestamp). However, I notice that it's often different from "EXIF ...
Nick S
  • 275
3 votes
0 answers
91 views

How to let users make a photo selection online (pick flag rate)? [closed]

I take all my pictures in RAW, I only want to edit the keepers (obviously) and my users want to make a selection themselves, so pick/discard,flag, rate. Is there a way to have them do that online? ...
Maurits
  • 31
4 votes
3 answers
2k views

Why doesn't updating the datetime in EXIF change it in darktable's "image information"?

I use darktable for my digital workflow. The datetime in some of my images is off by a couple of hours. I changed the datetime in all the relevant tags I could find in the *.NEF using exiv2: Exif....
twan163
  • 143
0 votes
1 answer
177 views

Prevent Lightroom from discarding lens model from EXIF

I recently got a Tokina 10-17 mm F mount. Lightroom does not seem to be able to automatically recognize this lens based on NEF files. It does not automatically find the correct lens model for ...
Szabolcs
  • 2,863
0 votes
2 answers
983 views

Write IPTC "byline" to all images within a folder using Exiftool

I am new to Exiftool and have some experience with Mac Terminal. I am trying to add IPTC 'BY-line' meta to all images within a folder. This is what I have so far: exiftool -iptc:By-line='mybyline' /...
David Labbe
  • 101
0 votes
1 answer
2k views

Software to view and add metadata (tags and note) to photos and save it to IPTC

Commercial softwares such as Adobe Bridge and Photo Mechanic allows you to easily browse your images and add metadata to them (eg tags and notes). This metadata will be save in the same JPEG file as ...
David Portabella
  • 131
5 votes
1 answer
2k views

Convert Picasa stars to EXIF ratings?

Picasa is being phased out by Google. Unfortunately I have a lot of data in Picasa. Most important for me to preserve/export is the photos that have stars. Picasa stores this in a little text file ...
Alesh Houdek
  • 231
11 votes
2 answers
4k views

How to edit the shutter speed value in metadata?

I found ExifTool, which allows you to edit almost any piece of metadata from the command line. However if you try to edit the shutter speed (using exiftool file.tif -shutterspeed=1/200), it simply ...
Greg Zaal
  • 257
5 votes
3 answers
2k views

What is the device with a file name prefix of win?

I have some photos that were sent to me and I was intrigued with the device that was used to take them. However the the EXIF data it's of no help. I know that I have the original JPEG file, with a ...
João Colaço
  • 153
4 votes
1 answer
447 views

Is there any way in Lightroom to sort photos from multiple days based on time of the day?

I have a folder with holidays photos (7 days). I would like to make a collection witch would sort these photos based on time of the day, without considering the day. For example, all pictures taken ...
Jalil
  • 141
8 votes
3 answers
24k views

How to add author and other properties to PNG files?

I am on Windows 7 and I can't find how to add the author or any other properties for a PNG file I created. The only thing I can modify is the shooting time which I don't need. Why is this so? You can ...
Cain Nuke
  • 181
1 vote
2 answers
491 views

Does a Canon 1.4X I teleconverter provide the information needed to show up in Lightroom?

I'm looking at buying a 1.4X Mark I teleconverter (I already have a Tamron one that doesn't register) and was just wondering if anyone knows if the Canon Mark I makes itself known in the metadata
mcgyvrfan121
  • 116
2 votes
1 answer
422 views

Auto White Balance data

I am a wedding photographer and work under a wide range of lighting conditions. I prefer to set my white balance with a Sekonic Kelvin meter and use this value in the Kelvin setting on the camera. I ...
iND
  • 21
0 votes
1 answer
2k views

How to recover original thumbnail of an edited image?

I would like to know if it is possible to recover the original version of an edited picture. The metadata of the picture in question indicates . "Hasthumbnail : False". So how is it possible to ...
Jaykool
  • 1
1 vote
2 answers
1k views

Lightroom - Focus point / length data?

I am building a visualization using Lightroom data (the catalog file) to extract information of my pictures. My Question: In Lightroom, how do i know what my focus length is (that dial which you turn ...
Looneystar
  • 13
5 votes
2 answers
1k views

Are colour profiles ever stored in RAW files?

Recently on a wildlife photography course, the leader asserted that using aRGB in the camera settings meant less loss of data in the RAW file than if sRGB were used. As I did not understand this I ...
Chris Walton
  • 540
-1 votes
1 answer
149 views

Exif data tool and profile color

I would like to know in a exif data what is the difference between profile CMM type lino and profile CMM type n/a What does it means Profile CMM type?
Arizona85
  • 1
1 vote
2 answers
4k views

how can I copy custom exif fields from one image to another with exiftool?

I am trying to copy all metadata from one image to another, including custom exif fields (in this case absolute and relative altitudes present in images from my DJI drone) using the command: exiftool ...
jeremyeastwood
  • 113
1 vote
2 answers
498 views

How do I get Exiv2 to apply metadata from a static XML file to several images?

Exiv2 seems to work quite well with batch operations by keeping any generated derivative files the same root filename with an different extension. My mission is to draw the meta information from a ...
JSH
  • 111

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