Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
It's not possible to reassign the button, but it is possible to use a wireless trigger like the RC-6
If you have a rig you can attach it to the handgrip as well.
Yep, the unit can start the 5D MK II recording video but only when your camera is BOTH set in live view, and the trigger method is selected.