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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4
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1answer
749 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 ...
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1answer
4k views

How can I geotag images with location data in a CSV file?

I have a few folders of .JPG images that I need to geo-tag. I don't have a .GPX file or anything else that will let me use my usual tools (Geosetter or Photo Mechanic) to geotag the images, but I do ...
4
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2answers
187 views

Is there a Lightroom feature for ranking images collaboratively?

Say a photographer takes a bunch of photos and needs his teammates, who are geographically separated, to rank them so that the best of the best photos can be selected for post production. If it were ...
4
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1answer
690 views

How can I prevent or undo Canon G12's auto rotate?

I'm using a Canon PowerShot G12 camera to take photos for vegetation analysis. The camera is looking straight down at the vegetation - or at least CLOSE to straight down. The autorotation function ...
4
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2answers
942 views

How to add keywords to lightroom from a textfile (after import)?

I have a fairly large (20,000 photos) catalog. I'm trying to add keywords from the exif data that lightroom doesn't read, for instance any effects (like "pop color") applied to the photo. Using ...
4
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1answer
268 views

How can I convert geotagged location to a collection of descriptive tags?

If I have a photo which has a geotagged location, is there a way of automatically converting this location to a collection or hierarchy of descriptive tags? For example, a GPS location near the ...
4
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1answer
88 views

Using copied pictures for website

I have take some before and after pictures for my business. After posting them on social media sites, I generally lose track of the originals that usually are around 4-5mb in size. If I want to use ...
4
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1answer
778 views

How to calculate Hugin lens data

I shot a bunch of pictures in order to create a panorama on my computer using Hugin. My camera is a Sony PowerShot DSC T-100. When loading images in Hugin, it asks me to provide some "Lens data" (...
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2answers
7k views

How to import metadata from extermal .xmp sidecar file when importing .jpg files into Lightroom?

I have thousands of image files that I want to import into Lightroom. Some of the files are .nef, some are .jpg, .tiff, and other formats. If I have file1.nef and also have file1.xmp in the same ...
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2answers
2k views

Is there a good way to import XMP data into a spreadsheet?

I have 20,000+ images in Expression Media, which I also use to store the caption information. This information is compatible with Photoshop's IPTC information and is available in XMP sidecar files. I ...
4
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1answer
140 views

Film date stamp to jpeg metadata

I'm scanning a bunch of old prints from the days before digital photography. Some of those pictures have a date stamp in the lower right. Is there a tool that will check the corners for a date stamp,...
4
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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 ...
4
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1answer
3k views

What metadata is necessary for Facebook to display a 360°×180° photo correctly?

I have a 360×180 panoramic photo, and I'd like it to display on Facebook similarly to this example from Mark Zuckerberg. I tried following Facebook's documentation, but my image is being interpreted ...
4
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1answer
403 views

Is there any way in Lightroom to sort photos from multiple days based on time of the day?

I have a folder with holidays photos (7 days). I would like to make a collection witch would sort these photos based on time of the day, without considering the day. For example, all pictures taken ...
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1answer
2k views

How can I copy all meta tags, other than the thumbnail, from a source jpg to a destination jpg?

I just started to use the EXIFTool but can't figure out how to copy all meta info from one file to another without destroying the destination file's thumbnail image. Is there any way to do so ?
4
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2answers
14k 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.
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2answers
472 views

How do I move Apple Aperture-specific metadata to Adobe Lightroom?

When I drag a folder into Apple Aperture the name of the folder becomes the name of a project that those photos are put in. Specifically, the metadata item is "Project path". This information is ...
4
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2answers
340 views

Why does the “As Shot White XY” metadata tag change even when WB is set manually?

I am capturing raw images using N900 camera. It gives me DNG files. I have some question regarding the colour temperature of these raw images. Objective: I am trying to map the CIE-XY Camera white ...
4
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1answer
403 views

Like XMP facial tagging, is there a way to visually tag other areas of the image as non-facial… notes, other items?

I'm looking for a metadata solution. My environment is Windows.
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2answers
281 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 ...
4
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1answer
351 views

How to delete unknown exif tags using exiv2

I use following command for remove unwanted exif tags using exiv2: $ exiv2 -M"del Exif.Image.LightSource" image.jpg But if I have unwanted tags that unknown, how can I remove it? I cannot use ...
4
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1answer
285 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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1answer
1k views

How can I automatically create an image “key” with group photo silhouettes tagged with people's names?

From a group photo, I would like to create an image that identify each person with their names. My first idea was to create a silhouette image from the original one, put a number over each face, and ...
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3answers
3k 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 ...
4
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1answer
242 views

How to calculate Hugin lens data for Aerial Photos

I have some aerial photographs from the 60s and 70s I want to stitch together. I known nothing about the camera that took these photos, and am not sure how to calculate the Focal Length or Horizontal ...
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4answers
3k 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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5answers
8k views

How can I make ExifTool rename by camera model when the name contains a slash?

I use ExifTool to batch rename all of my pictures using the following two commands: "-FileName<${Exif:Model}-(%%f).%%e" -d %%Y%%m%%d-%%H%%M%%S-%%%%f.%%%%e "-FileName<DateTimeOriginal" This ...
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5answers
7k views

Photo viewer for Windows that displays shutter speed/aperture/ISO?

Going through my own photos and looking at the exposure setting and composition is a good way of learning. Is there a photo viewer for Windows that shows you the exposure settings (shutter speed, ...
3
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3answers
666 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 ...
3
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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
311 views

How to get settings of Canon camera in auto mode?

I want to learn photographing in manual mode. As the one of the way I wanna shoot in auto mode and then try to repeat it in manual mode. My question is how to know which settings of ISO, shutter speed ...
3
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4answers
2k views

Is there a well-known way to store a taxonomy hierarchy in XMP, IPTC or EXIF?

A client has an image bank with many pictures. They have categorised those pictures in a hierarchy. Now they want to move the pictures to a new image bank and I am asked to put this hierarchy into the ...
3
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3answers
528 views

How do I preserve commas when exporting metadata from Lightroom to csv?

I am using LR/Transporter to export metadata from Lightroom to a .csv file. For the most part this works flawlessly. However, if I have a comma in the Caption field anything after that comma gets ...
3
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1answer
2k views

Lightroom 4: How to export files as RAW/DNG with history?

Say I have a file with the following history: Export Crop White Balance: Custom Auto-Tone Import If I then import the exported file, the copy has all the changes but none of the history. If I don't ...
3
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5answers
1k views

Is there a way to figure out a lamp's color temperature from a photo?

Let's say we have some incandescent, flourescent, luminescent lamps and LEDs, and there are photos made with different cameras in auto mode with each of these lamps on, and with a white sheet of ...
3
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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 ...
3
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3answers
47k views

Any tool that would retrieve the ORIGINAL date a photo was created on even after it has been processed?

As mentioned in the title, sometimes the desktop or mobile application used to process/edit a photo, especially if it has been moved, copied, re-saved, etc.. would cause the very original date of the ...
3
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5answers
255 views

Can you estimate whether or not the sky is clear from a photographs metadata? [closed]

I am using remote sensing (satellite) images and am trying and differentiate (automatically i.e. using a computer and without viewing the image myself) between areas that fall under cloud cover (with ...
3
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1answer
4k 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 ...
3
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3answers
3k views

How do I determine whether flash fired or not?

For example, I use a regular cropped DSLR (like Canon 400D (Rebel XTi)) and I use an external ON-camera flash (mounted on the camera's shoe). How do I determine by looking over the description within ...
3
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3answers
7k views

How to check what White Balance setting was used (on a Mac)?

I've been experimenting with different white balance settings, and I can see what was used while browsing photos on my Nikon preview screen. But when I copy the photos to my laptop where I can ...
3
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1answer
900 views

Simple Tool or script to sort in folders and by date RAW images in linux?

I'm taking a lot of RAW photos lately and I need a simple but convenient way to organize them. I saw a lot of tools to sort JPG images using EXIF informations, but none of them actually works with RAW ...
3
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2answers
298 views

Are colour profiles ever stored in RAW files?

Recently on a wildlife photography course, the leader asserted that using aRGB in the camera settings meant less loss of data in the RAW file than if sRGB were used. As I did not understand this I ...
3
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1answer
167 views

Can you specify which metadata to export in Lightroom other than the few standard selections?

Can you specify which metadata to export in Lightroom other than the few standard selections? In the export dialogue you can select to export everything, just copyright, just copyright and contact ...
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2answers
1k views

How can I get lightroom to sync datetaken meta data with other programs

I've recently switched from Picasa to Lightroom 3.3. Upon importing my pics into lightroom, there were about 500 that appeared at the top when sorted by date, despite being older pictures. Turns out ...
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 ...
3
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2answers
666 views

How can I instruct Lightroom 6 to always save metadata to the file itself?

I know that I can store metadata in the file itself (or in an XMP sidecar file) by pressing Cmd/Ctrl+S. Or by choosing Metadata -> Store Metadata in File from the menu. I wonder why I need to choose ...
3
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2answers
1k 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 ...
3
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2answers
3k views

What is the relationship between exif and xmp? Are they interchangeable?

I am writing an application which read/write metadata for an image (it converts a raw file into a jpeg/tiff) and I need to write metadata about camera/mode/...into the generated jpeg. I know that I ...
3
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2answers
501 views

What does fixed EXIF mean?

I'm buying a lens adapter for my new Minolta AF 500mm reflex lens and one that I have found specifically states that the EXIF is fixed at 50mm F1.4. I'm not sure what this means for my photos in the ...