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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508 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
69 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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0answers
100 views

How to filter photos in Lightroom 6 by EffectiveMaxAperture EXIF tag?

I shoot with different non-CPU manual focus lenses and use LensTagger (Lightroom plugin) to write full lens name into EXIF. I also set up different MF lens "profiles" (called "non-CPU lens data" by ...
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241 views

What EXIF fields are commonly populated and don't vary shot-to-shot on photos from the same camera?

For programmatic reasons I'd like to be able to group photos taken by a photographer using multiple cameras on a given day by the camera. I'm thinking make, model, & software. Though it's very ...
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0answers
84 views

Does anybody know software that limits amount of keywords?

Does anybody know software that limits the amount of keywords in each photo, e.g. by discarding all keywords above keyword no. 50, for example? (Of course using the given sorting of keywords) If ...
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3answers
193 views

An easy way to embed custom information when in the field

My company needs to take a large number of product photo's in the field. The make sense of the file when they come to download them, they would like to store custom products id number either as meta ...
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1answer
925 views

Why can't I view an edited image on my camera?

This question is an extension of How can I copy images to my camera for viewing?. When I take a picture on my camera, edit it on my computer, and send it back to my camera, my camera cannot display ...
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297 views

What EXIF analyzer tools give statistics and pretty graphs? [duplicate]

Possible Duplicate: What tool can visualize metadata from many photos on a Mac? What are the best EXIF analyzer tools to give you statistics and pretty graphs with information such as: Lens ...
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6answers
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Where can I find photos with EXIF data online for learning purposes?

Many of the blogs / Flickr streams do not publish images their EXIF data with the pictures - all I can see is the histogram. Can you recommend blogs / samples with EXIF data in them so that I may ...
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2k views

How can I copy images to my camera for viewing?

I'd like to copy an image from the web to my camera (Canon S95) and view it on my camera's screen, sort of a poor man's iPad. I tried renaming the file but the camera reports "Incompatible JPEG". ...
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1answer
602 views

Why doesn't the Nikon D90 record ISO in EXIF?

Why is there no ISO data in EXIF of images taken with Nikon D90? I'm using exiftool.
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1answer
254 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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5answers
20k views

How can I prove an edited photo was taken on a particular date/time?

Please help explain this. I have a photo that has the filename containing the date taken. It looks like this when a photo is taken. Does an iPhone or Android automatically name the file with the date ...
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3answers
2k views

Is it possible for Lightroom to automatically add keywords on import?

Specifically, I'm looking to automatically add keywords relating to EXIF data, like the camera that the picture was taken with. The reason I am interested in doing this is because some of the places ...
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1answer
358 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 ...
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2answers
9k views

How do I remove photo-editor metadata from a JPG file?

How can I remove the header information which shows the name of image editing software? I want to "clean" the metadata from a JPG file so that nobody knows that image has been edited and appears as it ...
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72 views

What date would this be? 2010 February 12th or 2010 2nd of December? Fiji color Crystal Archive

What is the date on this picture (1129 2010100212 Walgreens)
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3answers
115 views

Is Lightroom 6 the tool for me?

At the moment I have many folders of photos, each folder representing an occasion. The photos were mainly taken by DSLRs and are in JPEG/RAW pairs. I would like to have some better way of viewing and ...
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2answers
4k views

How can I get barcode-scan information into my photo metadata, onsite, untethered?

I need a DSLR camera with a barcode scanner for on-site tours photography, which means it needs to be untethered! The image would have to contain the barcode scanned information in the image metadata ...
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1answer
865 views

Can I batch set the date on Canon RAW files with a tool? [duplicate]

I have just noticed my cameras date has been wrong for the last month. However it is consistently wrong, so if I work out (or guess) the date and time of the first photograph, is there a tool that ...
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3answers
1k views

Photo and data sorting software

I would like to be able to have thumbnail images of my photographs with information next to them (Location, Photo ID #, Date Photo Taken, etc.) that I can sort according to the column headers (like in ...
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1answer
1k views

How can I disable EXIF auto rotation on a Nikon D7000?

In older Nikon DSLRs like the D70 there was an option to not add image rotation information to the EXIF data of the image. I can't find this option in a D7000. Can anyone please confirm that it is not ...
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2answers
286 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
202 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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2answers
358 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
4k views

How accurate are the GPS coordinates in an exif from an Iphone photo and does the exif tag also provide the bearing? [closed]

I am curious about the accuracy of gps data from a regular iphone 7. I am conducting field research and looking for an accuracy of about 10 meters. If that is not possible with the regular photos ...
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2answers
778 views

How to tell if a photo has been resized?

I'm curious if photographers that upload to various photo service sites such as www.pictage.com (no longer in business apparently) or www.gradimages.com can unwittingly have their content resized/...
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2answers
124 views

is there a way to see how I edited an image that has already been changed to a jpeg?

I have an image that I can't remember how I edited and I no longer have the lightroom catalog. I thought there was a way to view the editing steps from the metadata, does anyone know how to do that?
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1answer
853 views

Copy keywords into description exif

Is there a tool that can batch edit the image's EXIF data and copy the keywords and put it into description field?
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2answers
1k views

What are the technical camera specs for the HTC Wildfire S?

I am trying to do some CGI manipulations on pictures I've taken. In order to fake reality with some 3D object inserted in the picture, I need some information to configure my virtual camera so it can ...
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1answer
37 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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1answer
395 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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5answers
581 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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1answer
1k 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
934 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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1answer
416 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
160 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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1answer
1k 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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3answers
1k views

Is it possible for jpg images of the same source have different file sizes but the same quality?

I have been using Google Photos as a way of backing up my photos. I noticed recently that they store two versions of any photo I upload, one with the original name of the file, say, IMG_20140328_1143....
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3answers
745 views

What does the “Gain control” EXIF tag mean?

Looking at the EXIF tags on my photos, it seems most of them have a tag for "Gain Control". It seems this is set as either Low gain up or High gain up, or sometimes None. The value of the tag seems ...
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1answer
315 views

Is there an application to match and restore my stripped jpegs' dates to my original RAW dates?

I exported a bunch of RAW pics to jpeg manually, but all the metadata got stripped in the process (my mistake). Is there an application that can match the exported jpegs with the original RAW and ...
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2answers
154 views

Where is capture time recorded in images from the Snapcam Lite wearable camera?

I am using a wearable bluetooth wifi camera. How do I find the time when a particular picture was taken? So far I have tried to look at the metadata on the jpg using Exiftool. I am only able to see ...
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2answers
457 views

How do I get Exiv2 to apply metadata from a static XML file to several images?

Exiv2 seems to work quite well with batch operations by keeping any generated derivative files the same root filename with an different extension. My mission is to draw the meta information from a ...
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1answer
590 views

What caused the EXIF data to be changed in these files I expect to be identical?

I have two folders full of images, folders 1a and 1b, that I took, and in the process of sorting them for backing up, I noticed they are not the same. The dates in Windows Explorer are all wrong, and ...
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2answers
139 views

Standard for embedding time/location info into digital images?

I am developing a project that involves compiling in real-time photos taken over a large area submitted (semi-)anonymously (meaning it doesn't matter who submits pictures but a minimum of info is ...
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1answer
271 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 ...
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2answers
124 views

What media formats supported by LR for embedding metadata?

I am writing an article about migrating Lightroom catalogs to Daminion via XMP metadata. Does anybody know what media formats supported by LR for embedding metadata. Except JPEG and TIFF formats.
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1answer
4k views

What is the best metadata editor? [duplicate]

Possible Duplicate: Adding data to an EXIF file What is the best metadata editor? Edit: for (OS) Windows 7 Starter, for geolocation I'm thinking to use Picasa. But, what is the best and simple ...
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1answer
40 views

Exiftool: batch change date to year specified in directory name

I have my old scanned photographs sorted in folders named by the year they were probably taken (1970, 1971 etc); the folder names are just the plain years without any other text. Is it possible to let ...
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1answer
135 views

Exiftool drops some EXIF tags [closed]

I am trying to copy all the exif information from Canon *.MOV video files into my *.m4a audio files. But some EXIF tags are missing: ffmpeg -i MVI_5918.MOV -vn -ac 1 MVI_5918_p1_mono.m4a exiftool -...

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