![]() The list is nearly the way, as for the Ixus SD850, I understand this camera is built from Canon without a variable aperture, only a ND-filter that can be turned on or off to simulate F2.8 / F8.0. setting focus values in cm from front of lens.HDR bracketing / exposure bracketing / focus bracketing.Scripting can control almost all of the camera, and many of the scripts out there enable things such as (This feature has almost become standard.)Īnd the system is user expandable, if you know how to write some code (BASIC). Imagine, for instance, the possibilities of motion detection for shutter release! Just leave your camera on the reef for half an hour, and all the curious fish in the world will appear in your pictures. That being said, this system does so many cool things. However, you should be a little computer savvy and have some time on your hands to get to know this. But remember, the hack lies on the memory card, so if you switch memory card you have to have CHDK on both cards. If you don't like CHDK, or your camera is going in for service, you can just format your memory card with your computer, the hack disappears without trace. If anyone is worried about destroying their camera, this has never happened, and the system is designed to prevent this. There are some workarounds, if anyone is interested they can ask me. Something to note, though, is that on some cameras, the "enhanced menu" button is assigned to the "print" button on the camera, and Canon does not implement this on their underwater housing, strangely enough. The CHDK firmware hack is truly a brilliant tool, and it works well. The ability to do a number of other more useful (and fun) things, such as act as a mini file browser for the memory card, let you play games on the LCD screen, etc.ĭoes it allow manual control of an auto camera (like my Ixus)? The ability to use the USB cable to take a picture remotely.į. The ability for the camera to run scripts allowing you to set the camera to perform a sequence of operations under the control of the program.Į. Longer exposure times (up to 65 seconds), faster shutter speeds (1/25,000 sec), automatic bracketing of exposure, etc.ĭ. Additional data displays on the LCD screen - histogram, battery life indicator, depth of focus, and many more.Ĭ. Including RAW format as well as JPEG, video increased recording time.ī. On my latest web-trawl I stumbled across a program called CHDK, which hacks Canon Digic II and III chips, to give additional functions to Canon cameras. ![]()
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