CHDK Wiki | Fandom Jan 03, 2012What is CHDK? Canon Hack Development Kit; Temporary – No permanent changes are made to the camera.; Experimental - No warranty. Read about the risks in the FAQ; Free – free to use and modify, released under the GPL.; Features. Professional control - RAW files, bracketing, full manual control over exposure, zebra mode, live histogram, grids, etc.; Register your Canon product Jun 16, 2022Enter your serial number. If you're unable to find your serial number, select the type of product you own to view helpful information: Canon Printer, Canon EOS Camera, Canon PowerShot Camera. Enter your date of purchase; Select whether to receive email notices for firmware updates and service notifications relating to your product.