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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101 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
114 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
62 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
75 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
175 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
40 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
80 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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1answer
111 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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0answers
160 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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2answers
79 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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281 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
45 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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1answer
86 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
52 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
149 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
99 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
95 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
138 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
204 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
632 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
94 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
133 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
166 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
352 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
87 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
81 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
128 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
154 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
405 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
239 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
851 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
3k 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
897 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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0answers
60 views

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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1answer
146 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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1answer
35 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
179 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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5answers
1k views

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

These past three 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 from Carl Seibert I ...
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2answers
202 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
2k 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. ...
4
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1answer
153 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
112 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
166 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
131 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 ...
2
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1answer
83 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
434 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 ...
2
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2answers
141 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
286 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 ...
3
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1answer
1k 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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