Questions tagged [metadata]

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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1answer
254 views

What does a pair of numbers in parentheses mean as a focal length value in metadata?

I have extracted the metadata from an image. One of the values was: FocalLength: (3680, 1000) How can we read the above value?
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2answers
599 views

How to tell if a photo has been resized?

I'm curious if photographers that upload to various photo service sites such as www.pictage.com (no longer in business apparently) or www.gradimages.com can unwittingly have their content resized/...
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What EXIF fields are commonly populated and don't vary shot-to-shot on photos from the same camera?

For programmatic reasons I'd like to be able to group photos taken by a photographer using multiple cameras on a given day by the camera. I'm thinking make, model, & software. Though it's very ...
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2k views

How can I reset or clear the Lightroom Metadata Conflict warning?

This is just a minor annoyance but Lightroom flags thousands of images that were moved as having Metadata Conflict. In fact, none of the image files have changed, other than the directory change. It ...
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1answer
2k views

Updating metadata in Darktable

Bear with me. I've been using Darktable for a while now along with Olympus' own software and digikam for uploading, keywording etc and GIMP for any retouching I can't easily achieve in Darktable. I ...
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148 views

Where is capture time recorded in images from the Snapcam Lite wearable camera?

I am using a wearable bluetooth wifi camera. How do I find the time when a particular picture was taken? So far I have tried to look at the metadata on the jpg using Exiftool. I am only able to see ...
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1answer
2k views

How to copy DateTaken tag from another image using ExifTool?

I want to copy EXIF Date Created Tag from one image to another.I understand that i can copy all details using exiftool -TagsFromFile a.jpg b.jpg This copies all tags from a.jpg to file b if its ...
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1answer
227 views

Adding Exif data to a tif increases the file size

I have some jpg images exported from RAW files using UFRaw and they are very large in size(>15MB). So, in order to save space, I opened them in GIMP and re-exported as tif images with JPEG compression ...
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1answer
464 views

Exif Data - identifiable fields

I'm currently working on some software to help identify fraudulently attributed images or ones that have been sent in with altered attribution. As such, I'm interested in working out which EXIF ...
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1answer
492 views

Exiftool time adjust only for photos taken with camera

This is a tricky one. I take pictures and videos with both an iPhone and a Sony camera and import them into the Photos.app in the Mac. I do a little cleanup, delete unwanted photos and then export ...
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3answers
997 views

What do following EXIF values mean from iPhone 5 photos?

I have an iPhone 5 photo and there are some EXIF values I would like to understand better. Specifically, I would like to know if the EXIF information can report the compass direction that the camera ...
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1answer
100 views

Do different software programs store meta keyword tags differently?

I run a popular sports photography site, and allow photographers to upload photos and then tag them to make it easier for the competitors to find their individual photos. Some photographers find it ...
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1answer
291 views

How do you maintain metadata across multiple images?

Situation: A given image in my library may have up to 20 different version. Some of these are nondestructive (same master image, different sets of edits) Some of these are destructive (round trip ...
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2answers
220 views

Trying to create a serial number for every imported image

Someone correct me if I'm wrong, but the sequence numbers Lightroomor CaptureOne Pro (I'm currently using both) supports in file naming (at import or export) are not continuous, right? In other words, ...
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53 views

When using lenses on an adapter: how to set exposure metadata manually? [duplicate]

I'm using a different brand of lens and body, with an adapter to make them fit. The adapter does not transfer any data from the lens to the camera, so in Lightroom, I am missing the information on ...
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1answer
729 views

Camera showing incorrect used focal length in EXIF data

Using a Canon 5D Mk2 with a 17-40mm f/4L lens. Everything seems to work just fine, except no matter how i shoot, the EXIF-data will show 40mm as the used focal length, even if I know the image is ...
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4answers
436 views

Is it possible to make a photo's EXIF look like it was taken with a DSLR?

My teacher doesn't want me to use my mirrorless camera to take pictures, she only wants DSLR. She wants me to rent one (which costs money). I'm obviously not going to do that lol! My mirrorless has a ...
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3answers
279 views

Lighroom Conflating distinct Lenses - No model information displayed

I have two distinct models of lenses which are both 50mm f/1.8. I've analyzed example photos from each lens with exiftool and confirmed that the relevant information about the lens data is contained ...
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6answers
4k views

Can I find out if two pictures were taken by the exact same device?

So, let's say I have two identical iPhones, both of them are the same model and are running the same iOS. I then proceed to have someone pull a random picture off of one of the phones without telling ...
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1answer
840 views

Batch edit exif datetime of a period of time

I'm looking for a tool that enables me to edit the EXIF date and time of multiple images over a specific period of time. For example, the first image should have time 09:00 And the last image should ...
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2answers
159 views

Batch rename ImageDescription with Pattern for multiple JPEGs

I used IrfanView to rename holiday pictures from my girlfriend and myself to get them in order. I could arrange them and use pattern to add numbers infront of the filenames. The pattern I use for ...
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6answers
3k views

Why can't I see the focal length (“zoom”) when I'm composing a shot?

My Canon 1300D DSLR stores the focal length used in the EXIF data of each photo, but there's no way to see this information while I'm composing the shot? Is there a technical reason why the focal ...
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1answer
1k views

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 ...
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2answers
3k 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?
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2answers
2k 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 ...
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1answer
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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 ...
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1answer
484 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 ...
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4answers
10k 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 does not copy from one image to another. Is this true? This is my EXIF ...
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1answer
167 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.
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3answers
2k 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, ...
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8answers
15k 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×...
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2answers
1k 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 ...
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2answers
639 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 ...
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1answer
57 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!
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1answer
394 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 ...
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1answer
2k views

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,...
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1answer
321 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 ...
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1answer
376 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?
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3answers
395 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 (...
6
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1answer
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 ...
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2answers
5k 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 ...
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1answer
668 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 ...
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3answers
115 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 ...
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2answers
830 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 ...
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1answer
256 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 ...
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1answer
212 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?
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2answers
759 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 ...
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1answer
5k 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 ...
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1answer
2k 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 (...
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5answers
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 ...