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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144 views

Why does my phone intermittently add Title and Subject attributes?

I have taken a lot of photos, over the past couple of days, using the default 'Camera' App that came with my Huawei Mobile phone. I have since uploaded these Photos to my Computer, via Google Photos. ...
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33 views

Set “Create Date” to “Last Modified Date”

I have a few thousand photos in which I need to set "Create Date" to "Last Modified Date", is there any tool that can help me do it automatically?
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23 views

Unexplained time change in Nikon Coolpix

My sister and I were in Italy in 2013. She brought a Nikon Coolpix set to Denver time. I had an iPhone 4s that sets automatically to local time. I was going through her photos in numerical order for ...
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2answers
32 views

How do I use exiftool to strip all exif tags except rotation?

I need the exact opposite of How to remove orientation attribute from the photo without touching other exif-data? I want to keep the EXIF rotation data, but I want to strip the rest of the data. ...
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3answers
171 views

Transfer EXIF data from Android to Windows

I have taken over 500 photos on my recent journey and I'd love to code a program that allows me to access the GPS location of every photo and, through GMaps API, show me where the photo was taken. ...
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1answer
61 views

How to make a JPG files DCF compatible? (command line)

At the moment I use Sony’s Imaging Edge Desktop to make individual photos viewable in camera. However, this is cumbersome if there are many pictures. How can it be done from the command line? ...
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1answer
50 views

Why might an EXIF DateTimeOriginal be later than photo capture?

As it says in the title, assuming no hacking/malicious editing of EXIF. In my case DateTimeDigitized and DateTimeOriginal are the same if that makes any difference to the potential reasons.
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1answer
31 views

Annotating scanned photos so that the results are portable

I've scanned the almost-six-hundred photos in my Dad's family photo albums, but now I need to enter the notes he wrote next to each image, listing people, locations, (approximate) dates, and other ...
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2answers
233 views

Random EXIF data with same camera settings

I have a few problems with exposition with my Canon 70D: with same camera settings I get random EXIF data for focal lenght and aperture. This is the setup Table with white paper as white background....
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44 views

Software for detecting orange dates on 4x6" photo prints and adding to metadata

Is there any software that will detect (e.g., OCR) the orange date timestamps burned into 4x6" snapshot prints and automatically add the date EXIF metadata? Would be interested in options either baked ...
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31 views

Metadata “keywords” or “descriptions” for non-controlled-vocabulary search terms?

I have a bunch of unorganized scanned family photos. I want to add metadata to make them more searchable. I thought I'd mostly use the IPTC keyword field (because I don't have a need for well-written ...
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78 views

Windows-app to quickly enter iptc keywords

I have scanned thousands of slides. They have no metadata. Is there a windows application to quickly enter iptc keywords for each image? It should be keyboard-driven and have autocomplete suggesting ...
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2answers
249 views

Is there a way to add adapted vintage lens EXIF information to my files manually?

I have a number of vintage lenses and since I am mounting them on a digital camera the lens information isn't available. Strangely, my photos have the information of the last digital lens that I ...
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1answer
153 views

Exif & TIFF dates - why would they be months different?

A property management company is using my photos for the second time without permission. They said it was an honest mistake the second time. So I asked for proof and samples of the images they ...
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1answer
249 views

Using exiftool to import date, gps and tags from xmp files

Not sure if this can be achieved with exiftool or if there's a better alternative... I've exported a big amount of pictures from iPhoto and apparently apple exports original file with a sidecar XMP ...
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1answer
93 views

How to embed an ID in Pixel 3a EXIF data?

My wife and I both use Pixel3a phones so we are not always sure which one took which photo. Is it possible to embed some information into the exif data on one camera for use later as id. thanks
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2answers
280 views

Calculate original resolution an image was taken at from EXIF data?

I have a resized JPG of a photo that still contains the original EXIF data. How can I calculate the original resolution (in pixels) the camera was set to when this photo was taken? In the EXIF, I see ...
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2answers
397 views

Is editing metadata of a JPEG destructive to the image?

Is editing metadata of a JPEG destructive to the image? If I edit "File Info" > "Description" in Photoshop, then save.... am I causing the same image degradation as if I edited the image, then re save ...
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1answer
89 views

Can I transfer location from my GPS receiver to a Nikon camera via Bluetooth?

Is it possible to send location information (lat. and lon.) from a Bluetooth-equipped Garmin GPSMAP 64ST GPS receiver to a Bluetooth-quipped Nikon camera? If so, how? Thanks for the “track, time” ...
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2answers
155 views

How can I rename Image with modified date and overwrite filename with number count using Jhead Tool?

A quick question... (Edited) Year/Month/Day-Filename-001.jpg jhead -n%Y%m%d [(name)] 001 .jpg (Not sure which options lets me create a filename after the year/month/day option in the usage ...
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14answers
4k views

What are ways to record who took the pictures if a camera is used by multiple people?

My wife and I both like to go out photographing. We usually have only one DSLR/MILC with us, so we take turns in taking pictures. (Rarely, if we have multiple cameras at hand, they usually have ...
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5answers
485 views

How does PPI relate to DPI in photo metadata?

I have been asked to provide pictures in JPEG format at a resolution of 300DPI. My computer give me a picture sizes in kilobytes and Photoscape the photo editing package that I use, converts ...
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2answers
254 views

Add Geotags to photos from GPX track [duplicate]

What's the best way to add geotags to photos if I have a GPX file with my location track? I don't have lightroom and I'm on a Mac.
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1answer
137 views

Why does device listed in metadata change on photo transfer?

What are the reasons that a photo would have the wrong 'Device used' and 'software in use' metadata on a photo. The photo that was checked was not the provenance picture and so it is a copy of the ...
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159 views

Why doesn't Lightroom load files after I've changed their camera model metadata using EXIFTOOL?

I shoot with Fuji (.RAF). I am currently having issues in changing camera model on Mac. I tried using the command line exiftool -Model="..." <filename>.raf It says the file was updated, but ...
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297 views

Calculating EV of an image file using its exif data

I'm trying to calculate the EV (exposure value) for an image file based on its exif data. In Wikidepia, I came across this formula for calculating EV: EV = EV100 + LOG(S/100, 2) = LOG(N^2 / t, 2) +...
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113 views

Is there way to visualize Photoshop changes by EXIF?

Photoshop saves the changes made on the photo to its EXIF (or XMP). Is there any chance of visualizing this data? Example photo and its EXIF data can be found on my webpage: example
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1k views

Shutter Speed from the Exif ShutterSpeedValue

Extracting Exif data from my photo (using python) among the other values I have: 'ShutterSpeedValue': (8643856, 1000000), 'ApertureValue': (1695994, 1000000) After some research, I found that the ...
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1answer
63 views

Can Tamron Tap-in Console solve focal length problems in metadata?

I recently found some issues on my Tamron 24-70mm f2.8 G2 (A032) lens for Canon. The first issue is about the focal length in the EXIF data. While the lens works well in autofocusing, I found the ...
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2answers
268 views

Exif tag for png files that will be recognized by google photos as date taken

I am trying to upload several png files (screenshots) to google photos. As PNG does not have DateTimeOriginal tag, I have used CreationTime tag to store the date taken information copied from the date ...
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1answer
53 views

Metadata problem

I have a photograph which displays time taken and camera model etc. But looking further at the properties and under "file", there is no date created or modified date. But there is a date of when it ...
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1answer
382 views

exiftool - rename using model only - not maker

I want to rename my files to include the camera model, but the full tag includes the make as well. exiftool.exe -d %Y-%m-%d_%H%M%%-c.%%e "-filename<${model;}_$CreateDate" -r DIRECTORY Creates: ...
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1answer
183 views

Can anyone tell me which cameras populate sub-second EXIF information?

I see the EXIF standard has a SubsecTimeOriginal field, but the sample photos I've tried looking at don't seem to have populated the field. Or maybe the tooling I'm using (GIMP, exiftool, PHP's ...
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2answers
475 views

How to sort photos by time, while ignoring date?

I'm an ecologist working with trail camera data. I have about 1 million images taken over a period of several months from multiple cameras that I need to sort through for pictures of animals, but ...
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3answers
260 views

Why does Lightroom show the focal length of the Sony RX10 IV as 220mm, when it's marketed as 600mm?

I have a Sony RX 10 IV. I used maximum zoom, 600mm, but when editing in Lightroom in the details it gives the focal length of 220mm. Can anyone explain, please?
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1answer
665 views

How to retrieve tags from “Amazon Photos”?

I recently subscribed to Amazon Prime, which allows me to use Amazon Drive / Amazon Photos. With it, I can upload and store all my images, RAW files included. I was surprised to see that Amazon ...
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3answers
824 views

What is “focus distance lower/upper” and how is it different from depth of field?

I have taken two photographs on a Canon crop sensor camera: 18mm f/9 with the following exiftool output (the focus was approximately at 3.5 meters): Focus Distance Upper : 5.27 m Focus ...
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2answers
293 views

What is the proper formatting of the Subject Tag in XMP?

My intention is to assign tags to each image based on the content in the image.For example This image can be be assigned tags Tulips,Flower etc So can i assign subject like tulips,flower and so on ...
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4answers
143 views

Where to store scene label information about a photo (e.g., “nature”, “cat”, etc.)?

I want to tag some images. I'm wondering which is the right place in the EXIF to store specific information about the scene. For example: Cat, Nature, etc.
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1answer
232 views

What metadata does RAW support that TIFF doesn't?

RAW and JPEG both support recording of a lot about the shooting,ranging from the İSO to what lens was used at what coordinates. When I convert CR2 RAW to 16 bit lossless TIFF, what will I lose? (I ...
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1answer
976 views

Can I find anything out from numbers on the back of old photos?

I have some photos of my grandfather's during WWII and the occupation in Japan (1942-1949???). They are from all different places in Japan and were taken at different times. I wanted to know if there ...
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1answer
97 views

Can the date a jpeg was created be wrong — too early?

I have a set of jpeg photos that, according to the person who gave them to me, were taken in November 2016, of damages to a car that occurred in August 2016. The "created" date in the exif data is in ...
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1answer
121 views

How to get focal length data from proprietary file formats (CR2, ARW, etc)? [closed]

I'm looking for a way to read the equivalent of EXIF data (focal length, camera make, etc) from RAW file formats, preferably with javascript. I've managed to read EXIF from JPG's, but there don't ...
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1answer
206 views

How can I manually set EV in Lightroom to take a neutral density filter into account when merging photos?

I shoot a couple of Images and try to merge them with Lightroom. Since a few (but not all) of the shoots were taken with an ND-Filter. I need to somehow tweak the EV value of the Photos I took with ...
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1answer
523 views

Filename to Created date

All my photos - jpegs - have the naming convention YYYY-mm-dd-nnn (1971-12-00-001) and I've recently uploaded them to Google Photos. On my PC I can sort them into date order but Google Photos uses ...
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1answer
774 views

Is GIMP allow to add or change geo-tag localization in Exif data? Is there any plugin for that?

do you know is it possible to change or add geo-tag localization in Exif data of .JPG photos? Is there any plugin for that? I cannot find any clear answer is it possible from the graphical application ...
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4answers
483 views

Check if digital picture was taken today?

We're working on an app that registers the gasoline price at a gas station. We enter that information through digital pictures our clients send us; for example, Bob sent us a picture taken today from ...
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1answer
2k views

How to change Date Taken based in file name?

I have a huge collection of photos from 1999 to 2019 and many of them don't have "Date Taken" registry, but all of them have the date in file name, like YYYY-MM-DD and YYYYMMDD. But when I uploaded ...
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4answers
8k views

How can I rename files to match their EXIF “created date”?

I have around 3000 jpeg photos all with names like "DSC_0596". The metadata has the date the photo was created, which would be much more useful. Is there a way to extract the date from the metadata ...
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3answers
1k views

Does the EXIF data “DateTimeOriginal” get recorded at the start or end of the exposure?

I am working to determine the orbit of a satellite based on a long exposure photograph, and need precise observations.

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