Many photographers go to great lengths to protect their images. Past attempted solutions include watermarks on the front of images. More recently, in the digital age of photography, watermarking in Photoshop or other image editing software is prevalent. While visible watermarks are common among a variety of photographers, invisible watermarks ("electronic or digital watermarks"), which are embedded in the image file, are somewhat less prevalent - but gaining ground and acceptance among photographers.

Canon is using Iris watermarking to take photographer's copyright protection to the next level. It aims to provide an imaging apparatus that makes it possible to protect the copyright of photographic images by reliably acquiring biological information of a photographer for the purpose of personal

authentication and writing this information on to the image of a subject without affecting the processing, and in a manner transparent to operation, at the time of photography.

To set up the digital watermarki the Mode dial to "REG" and choos between "REG 1 through "REG 5 ( 5 registered users). Put your eye to viewfinder and look at the display distance measurement point. Then the shutter button to capture the ir' and record it as your biological ide.

The Reg number is made to corr to registered content in such a ma each photographer can register hi information. The iris information 0 photographer is registered in asso with the registration number selec photographer can store iris inform any desired one of five registration numbers. Additional embedded info can hi later. All metadata will be added to after you have finished shooting in collective manner and not for each.