PhotoMeta extracts metadata (EXIF, GPS, TIFF) from your iPad photos and from photos on the internet. It works for any type of photo including photos imported with the Camera Connection Kit. PhotoMeta goes the extra mile by supporting makernotes for Canon, Nikon, Olympus and Sony cameras. As far as I know it's the only iPad app that offers this feature. Another cool feature is the easy configuration of your custom list of favorite metadata tags. If sufficient metadata is available, PhotoMeta also calculates additional tags like depth of field, hyperfocal distance, ... Check it out in the App Store. It's FREE! Or visit the website for extra info and a demo video.