If you have an unmodified image it will contain the camera used in the EXIF info. You can use free software such as Irfanview with it's plug ins to look at this info. At least one manufacturer that uses this prefix is Nikon.
I hate to break up your-all's the discussions of Cameras, Camera software versions, updates, buying islands and inviting Doug but just wanted to say, nice Error coin Spock! Frank
Nice error Spock! You can also see the details just by looking at the properties of the file and select summary. Anyone can do it and photographers use this info to look at camera settings
dont worry we will invite you too. i am sure you and doug will get into a fight soonner than later :whistle: