Some EXIF data is displayed, this page covers the topic: https://commons.wikimedia.org/wiki/Commons:Exif https://commons.wikimedia.org/wiki/Commons:Exif Here's

Some EXIF data is displayed, this page covers the topic: https://commons.wikimedia.org/wiki/Commons:Exif https://commons.wikimedia.org/wiki/Commons:Exif Here's an example of a photo that was uploaded to Wikimedia Commons, with extensive EXIF metadata: https://commons.wikimedia.org/wiki/File:Giza_pyramids_and_Khufu_boat_pit_2.jpg#metadata https://commons.wikimedia.org/wiki/File:Giza_pyramids_and_Kh... To hide your lens size you you can always strip the metadata before you upload, e.g. with ImageMagick: convert original.jpg -strip output.jpg