Handi 5Dmk2 is a handy quick reference guide on the iPhone, covering most of the commonly used functionalities available on the Canon EOS 5D Mark II DSLR, including all Custom Functions and menu settings. It also has a useful Quick Help section for many frequently encountered photographic situations. Handi 5Dmk2 does not require network connectivity so you don’t have to worry about getting a network signal when you are out in remote locations.
No more carrying and flipping through that worn out user manual, or forgetting how to set up your 5D Mark II for a custom white balance
Click here to go to the iTunes App Store

BTW there are also Apps for the:
- Canon EOS 5D
- Canon EOS 50D
- Canon EOS 40D
- Canon EOS 30D
- Canon EOS Rebel XSi (450D)
- Canon EOS Rebel XS (1000D)
Tags: App, Canon 5D Mark II, iPhone, Mac tips & tricks