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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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2
votes
2answers
122 views

How can I strip tags from a JPEG without removing the color profile?

For a while now I have used exiftool to strip away unnecessary metadata from jpg files (and to add copyright information) before uploading them: exiftool -all= image.jpg However, today I noticed ...
2
votes
1answer
119 views

How to programmatically determine as-shot ColorTemp from NEF (RAW) file?

When shooting RAW images in AUTO WhiteBalance mode, the camera will somehow determine what it thinks is a good WB for the picture. In Photoshop (CS6), there is no way I can find to extract the ...
2
votes
2answers
71 views

Is the fact that in-camera HDR was used available in EXIF metadata?

I have a Canon SX60, able to generate HDR pics. I would like to know how can I detect a HDR image just checking the EXIF data, and if I can know about the different exposure details.
1
vote
1answer
52 views

How can I convert a timestamp in Lightroom's .lrprev files to an actual date?

I'm trying to recover some missing images en mass from Lightroom's preview data. Each .lrprev file contains a line similar to this: fileTimeStamp = 346514038.2051, I've already extracted all the ...
4
votes
4answers
130 views

How can I incrementally date photos?

I have a collection of photos that have no date information. They have no Exif data, and the file modification dates are all identical. The only sequence is in the file name: image-0001.jpg, ...
1
vote
1answer
114 views

How can I edit the capture date in Nikon raw file

I have a problem importing some P340 raw images into LR5. The issue is that the camera date appears to have been set wrong. (I say appears to as most images are correct, but some - around midnight ...
1
vote
0answers
48 views

Why does the exif data show a max aperture 1.6 when I am using a f/1.8 lens? [duplicate]

I am looking at exif data of one of my image that i took with Nikon 35mm f/1.8 lens. While the exif information of my actual aperture is correct, max aperture displayed is 1.6 for the lens which is ...
1
vote
2answers
457 views

What software should I use to batch cropping images from paper notes? [closed]

I am turning a scanning of a collection of notes with lots of pictures of inventions and mathematics and organizing it into a wiki. The notebook pages consist of blocks of text, images, and captions ...
1
vote
5answers
580 views

How to sync EXIF data and date information from iPhoto to Flickr

I've recently started a process of scanning old photo albums. I had settled into a nice workflow scanning a few images at a time and using iPhoto to add descriptions and change the dates, thinking ...
2
votes
1answer
85 views

Does Lightroom automatically save the date of printing events, or just the date a print is saved?

I am trying to discover best way to keep track of printing from Lightroom rather than from printer data.
1
vote
1answer
85 views

Canon EOS 6D/5D - Lightroom - Flickr - Exifdata missing

I´m using Flickr for my Concertphotos. Please have a look: https://www.flickr.com/photos/50024469@N03/sets. My problem is I can´t see which camera I have used, or the basic Exifs (apparture, shutter ...
9
votes
7answers
4k views

How can I create a map with GPS data from EXIF?

I've been taking photos all over the country last year and now I want to create a map with all the places I've been. Luckily all my photos are geotagged which makes the whole process easier. The main ...
2
votes
3answers
147 views

Which EXIF tag to set for the 35mm equivalent focal length?

For a manual lens (*Rokinon 8mm f/3.5 Fisheye) I want to add the focal length information to the EXIF metadata in the resulting pictures with exiftool. I use the lens on a Canon 60D body. Obviously I ...
3
votes
3answers
163 views

Correct EXIF metadata for Rokinon 8mm fisheye lens

I own a Rokinon 8mm Ultra Wide Angle f/3.5 Fisheye Lens for Canon EF Mount. This is a manual lens not electrically connect to the Canon 60D body I use it with. With exiftool I want to add the correct ...
18
votes
4answers
10k views

How can you write/convert Picasa's People tags to the EXIF data?

I use Lightroom for my workflow, and I tag photos with people's names so that I can find them faster. Since Lightroom doesn't have the "Faces" feature, I want to use Picasa's People feature for this ...
10
votes
5answers
4k views

Is there a free program to (batch) change photo file's date to match EXIF?

Does anyone know of such a thing? I want to specify a directory and have the software find all the photos in the directory and its sub-directories, and if they contain EXIF date/time, it sets their ...
0
votes
1answer
66 views

Rename a file based on whichever tag contains the earliest or oldest date?

I use the following command to bulk rename images from inside a bash script so each image is named according to the date the picture was taken: exiftool -r -f '-filename<${CreateDate}_${model;tr/ ...
0
votes
4answers
68 views

How can i check the details of my photos clicked by nikon 5100

I recently bought a Nikon D5100. Now I want to check the settings(shutter speed, f-stop, ISO etc. ) of my shots. What's the easiest way to do this?
-1
votes
1answer
75 views

How does software that extracts or views EXIF work? [closed]

I'm currently doing a research project on metadata extraction from various filetypes, and I'm not able to find any documents or research papers on image metadata extraction from photos. All I can find ...
0
votes
3answers
230 views

Is there software on Macintosh for adding GPS data to RAW files?

I want to add GPS location to RAW photos (from my EOS7D) using location data from my iPhone 5. Aperture doesn't save the data I added unless I export the RAW files as JPEGs. I've searched the site ...
6
votes
2answers
3k views

Is there a free piece of software that will export metadata for a folder full of images to a table?

I have hundreds of thousands of images in a set of about 50 folders, each of the folders has a varying number of subfolders. I'd like to extract certain pieces of metadata (latitude/longitude, ...
1
vote
1answer
127 views

How can I extract just the value of a tag without the name using exiftool?

I am trying to save camera make to a var in my bash script. If I use: exiftool -make x.jpg This returns: MAKE : SAMSUNG I need it to return just the value, without the key and colon. What am I ...
2
votes
1answer
95 views

Lightroom: how to insert Lens data to many photos at once?

I'm shooting with a manual Rokinon 8mm Fisheye lens. Photos do not contain data from it, such as aperture and lens maker. Now i'm using the plugin LensTagger to mass batch edit files to add the ...
-1
votes
1answer
130 views

What is a good software for creating an archive of photos? [duplicate]

I've got about 9'000 family photos already (made with my own camera over the last 10 years), plus I'm about to start scanning grandma's archive of physical photos (several hundred more). So I'm ...
4
votes
1answer
245 views

Can I programatically manipulate Lightroom's “rejected” flag in images?

Can I use a tool like exif2 or exiftool to programatically inspect and manipulate the flag used for "Rejected" in Lightroom? I can't find a field that seems to correspond to it. If not, is there ...
17
votes
8answers
22k views

How to shift EXIF date/time created by time in days, hours, minutes?

I have two camera bodies, I was shooting while on vacation, when I downloaded the photos to lightroom, one body was set to the correct date/time, the other was off by 722 days, 4 hours, 32 minutes. ...
14
votes
6answers
2k views

Can digital cameras sign images to prove authenticity?

Beyond the metadata/EXIF/IPTC (which can be easily altered), is it possible to prove that an image is authentic? If this is not possible, how does a photojournalist prove the authenticity of an ...
11
votes
4answers
2k views

What tool can visualize metadata from many photos on a Mac?

I have seen/heard about a PC/Unix (??) utility that goes through all your JPG/RAW pictures on your disk and shows you on a graph your most used lens, your most used zoom range, flash settings ...
0
votes
0answers
18 views

Standards or widespread guidelines for updating of Exif or other metadata when modifying photos or other images?

I'm working on software that allows users to upload photos (or, potentially, any image). The photos are scaled to a maximum size (to save space) and as part of that change to the image I want to copy ...
12
votes
5answers
5k views

Is there any software which will set the EXIF Dates based on the file's modification date?

I have been using Exifer for many years to re-date and re-name my photos based on the EXIF dates from the camera(s). I have now started using some alternative camera apps available on the iPhone ...
2
votes
1answer
91 views

Plugin Metadata in LR

I use J Friedl's plugin for uploading pictures to Zenfolio. This plugin adds two fields to the metadata - logical yes/no for uploaded and a field for the url. These are not editable inside LR. That ...
1
vote
1answer
986 views

How to remove 'Program Name: Adobe Photoshop' from the metadata?

I've tried all the solutions from here as well as from stackoverflow, the tool mentioned (ExifTool) won't remove the metadata. I'd like to remove all the Photoshop information from my jpeg, leaving ...
-1
votes
3answers
170 views

Why I can See EXTRA info with the hex editor and not with an EXIF tool [duplicate]

How do I know my image is altered or not? Is there a tool or a method to know all the related stuff to the photo from Metadata or something else? P.S: Sometimes using a Hex Editor like Hiew will give ...
0
votes
1answer
138 views

Organizing photos for archival purposes, what format for metadata?

For long term archiving, what metadata format(s) are most likely to be readable in 10, 20, or 30 years? Currently I archive photos by directory in a tree structure starting with year at the top level. ...
3
votes
2answers
1k views

How do I add watermark for photos already in Picasa web?

Is it possible to add visible/invisible watermark to photos already uploaded to Picasa Web/500px/Flickr? Do they preserve EXIF(metadata) of the image? I am looking for free tools/services. If ...
1
vote
1answer
94 views

Convert Exposure Time in seconds to a fraction

I'm writing my own software to manage my photo storage. Within the EXIF data the camera stores it's exposure time in seconds. So 1/60 is expressed as 0.0166666666666667. Sites like Flickr are ...
0
votes
0answers
33 views

Set file timestamp (local time) from EXIF timestamp (UTC) [duplicate]

To avoid DST and time zone problems I set the camera time to UTC. My computer on the other hand is set to local time. There is an explanation for using EXIF metadata to set the file timestamp (set ...
1
vote
1answer
72 views

How can I recover my camera's main setting or mode from the EXIF data?

I have a couple of digital cameras which have in common a setting dial that includes such modes as AUTO, P (program mode), T (shutter priority), A (aperture priority), and M (manual). My more ...
2
votes
2answers
118 views

What's a good EXIF metadata field to store a general URL about photo topic/content?

What is a good EXIF/IPTC metadata field to store a general URL about the topic or content of a photo. For example a photo showing the Eiffel tower might have the URL http://www.toureiffel.paris/. So ...
9
votes
2answers
6k views

How do I determine focus points in Adobe Lightroom?

Not sure if this is possible or not in Adobe Lightroom. I would like to see the focus points chosen by my Canon DSLR. I am guessing this is stored somewhere in the EXIF, but I'm not certain. I find ...
7
votes
1answer
708 views

Is it possible to infer that an image is a photoshop if only one has “Original Transmission Reference” field?

If I have 2 similar images, can it be inferred as evidence that one is a photoshop of another if the first one has EXIF Original Transmission Reference field, while a second one does not? (the ...
3
votes
2answers
5k views

How do I find how many pictures have been taken with a Canon EOS1000d?

I have tried looking in the software that came with it, but with no luck so far. This is probably very basic... I would really value any help please.
6
votes
2answers
450 views

Why won't GIMP 2.8 open my long exposure shots?

I'm unable to edit some of my tripod and shutter release shots in GIMP 2.8.10. It only seems to affect the photos taken in bulb (full manual shutter timing) mode, where I have exposure times anywhere ...
1
vote
1answer
90 views

Searching photos by metadata with Adobe Bridge not returning results?

I have a photo library tagged (IPTC) with titles and descriptions in the metadata. When I search in Adobe Bridge it only returns a few of the results. I'm using the proper search too, not the quick ...
1
vote
3answers
122 views

How to share large number of photos for review by family, with comments saved with the pictures?

I have about 1000 old photos I need to scan and share with friends. Before burning them to disc, though, I'd like to post them so people can comment on the provenance and/or people in the pics. What ...
1
vote
4answers
99 views

EXIF Information that helps to detect doctored image

What EXIF information would be a good indication to know if an image has been doctored or not, and why is that information helpful? I think one of them is the aperture.
12
votes
7answers
1k views

What useful things can/can't you find out from exif tags?

I'm aware that you can find out a lot from looking at the exif tags of an image, such as camera make/model and the various settings used to take the picture, but what non-obvious things can you ...
3
votes
2answers
7k views

How can I force Lightroom to export metadata for all photos?

I created a temporary catalog for several shoots, but forgot to enable the (IMHO most important and should be enabled by default *shakefist*) check-box in Catalog Settings: Automatically Write Changes ...
2
votes
1answer
41 views
2
votes
1answer
42 views

How to get Ufraw to pass on EXIF data to Gimp

I cannot find EXIF data in Gimp using Ufraw as standalone OR plug in, even though I use the option save EXIF data - what could I be doing wrong?