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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83 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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How to change “Content Creator” property set by adobe lightroom to “Adobe Photoshop Lightroom Classic 8.3.1 (Macintosh)”

Every time I export images from Adobe LightRoom I can see that there is a Content Creator metadata property which is always set to Adobe Photoshop Lightroom Classic 8.3.1 (Macintosh). I tried changing ...
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80 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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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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63 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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35 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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30 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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50 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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60 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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62 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
65 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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78 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
477 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
55 views

Proper formatting of 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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103 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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128 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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85 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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78 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
55 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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90 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
75 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
219 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
160 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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428 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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1k 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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826 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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Why would a photo's meta data show a date years earlier than when it was taken? [duplicate]

Why would the metadata show a date of 1998 if it was taken in 2018? Profile Name: Photoshop ICC profile Profile Cmm Type: Lino Profile Version: 2.1.0 Profile Class: Display ...
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70 views

How can I use exiftool to conditionally modify tags?

I have used different Olympus digicams, but the "Make" EXIF field is not consistent in their images. This means certain image management software groups them into different manufacturers, such as "...
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34 views

Which IPTC fields for Common name and scientific name

I'm a nature photographer and want to know how to identify the plant or animal within an image. eg Common name: Housefly Scientific name: Musca domestica Into which fields should the data in bold go?...
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1answer
134 views

Software with GUI to edit a .CR2's metadata

I have happily been using Microsoft's Pro Photo Tools for about 10 years to batch-add keywords, location etc. to my CR2 files. Late last year it stopped working and from what I see it is a problem ...
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3answers
665 views

Picture Metadata and Face Tags: What Software to Write them and Read them

These past 3 days were a nightmare to me as I was trying to find THE way to store picture metadata for my 5000 photo archive the correct way. Since I read this great blog post of Carl Seibert I found ...
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2answers
185 views

Why does my Nikon 12-24 1:4 G ED lens get recognised as Tokina lens?

I recently bought a used Nikon 12-24mm 1:4 G ED lens in almost mint condition. My camera is a Nikon D5100. I compared it to the similar spec Tokina 12-24mm by looking at a lot of different reviews ...
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4answers
1k views

How to get lens serial number from Exif?

I want to write down model name and serial number of my camera body and camera lens, in case they are lost or stolen. Where can I find those data? Lightroom provides all data but serial name of lens. ...
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1answer
140 views

Unsure about if the lens is genuine or not

So I just bought a lens [AF-P DX 70-300mm f/4.5-6.3G ED VR] from Amazon and it came in clearly a repackaged box with the lens wrapped in bubblewrap, a milky white rear cap and lacking the lens ...
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1answer
91 views

What are the “picture control” values shown in EXIF info from Nikon D5500

Exif info for picture control sharpness and hue show large values as seen in attached : eg +-127 or +-124 etc Is this correct and what does this indicate
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2answers
145 views

Photo metadata possible in analog print?

A friend of mine had his passport photos rejected by a consulate on the grounds that they could "detect" that the photos were old. They did not see him in person, since the application was sent by ...
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1answer
89 views

Copying location EXIF data from phone to camera photos? [duplicate]

Fairly straight forward question and a fairly common scenario I would imagine. I have taken photos with iPhone and digital camera of the same subjects and locations, most of these groups of photos ...
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1answer
61 views

How to batch identify and keyword bracketed photos?

I would like to batch identify and keyword photos that have been shot with the bracket mode on the Fuji XT2 (although I'm sure this applies to other Fuji cameras) to potentially use in HDRs. When I ...
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1answer
294 views

How to use ExifTool to copy metadata from a group of PNGs to JPGs with the same base filenames?

I have a bunch of PNGs, which were sourced from scanned photographs with a creative-historical context. I converted them to JPGs so that I could write the DateTimeOriginal tag to them using ExifTool ...
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2answers
86 views

Can I see the specs of the memory card used within the metadata of an image?

I want to see the specs of the particular memory card (or serial number) I used on a particular image. Is this possible?
2
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2answers
225 views

How to distinguish images compressed by Google Photos vs the original using metadata?

I used Google Takeout to download all of my photos from Google Photos and realized that Google compresses these images 2-3x to give me free storage. This is great, but a lot of my images are stored at ...
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1answer
837 views

How can I batch edit metadata?

I have around 2500 photos from different devices, most of them had synchronized timestamps and properly saved metadata. One device had no option to save a timestamp and metadata (even the filenames ...
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3answers
4k views

Remove “quality” property from JPG

I noticed some photos missing "quality" information in their metadata using ImageMagick's identify command identify -verbose image.jpg How can one remove this info? This is one example
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151 views

ICC version predates ICC datetime [duplicate]

On my photo, the ICC version is 2.0, however the ICC datetime is 2009. Does this mean the device can not predate 2009, and that the photo must have been taken after 2009?
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1answer
149 views

How to determine whether a coordinate is inside a geotagged image?

I have a JPEG image with Exif data that I can use to get latitude, longitude, altitude. How can I determine whether a coordinate (latitude, longitude, altitude) is inside or outside the above image?
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I deleted the EXIF data of my photo, just realised there also is IPTC data, can the date still be seen?

So I deleted all the EXIF on my photo, but found out I left out the IPTC data because never heard of it until I actually saw it still showed a ''date taken'' under the IPTC tab of software (Exifer) I ...
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1answer
63 views

Should I use the same IPTC title on multiple images?

Is it appropriate (acceptable practice; anticipated by the standard) to use the same IPTC title across multiple images? For example: if I go shoot a portrait session for a client, and I create 10 ...
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2answers
5k views

Google Photos high quality backup — how does Google achieve great compression and am I losing some data?

I'm sure that many of us have used Google photos high quality backup which allows us to store photos online without fees. Recently, I thought of testing just how high quality the uploads really were ...
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2answers
4k views

How to remove orientation attribute from the photo without touching other exif-data?

Removing exif-data via Windows file properties does not allow to delete only orientation attribute and removing all exif data removes GPS position also. Is there any way to remove only the ...
4
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1answer
511 views

Why is the field of view angle from exiftool different from Apple's official values?

I have two series of photos shot on my iphone 6s on 10.3.2. The first series is in the regular frame, and the second series is in the "square" frame. I'm using exiftool 11.01 on macOS 10.11.6. From ...