Gordon McKinney is maintaining a wonderfull photography cheat sheet featuring
* Exposure Value (EV) Reference Table.
* Sun Altitude, Shadow Factor and Average Sky EV.
* Sun Tracking Software Links.
* Canon Flash Guides, 580EX, 550EX, 430EX.
* Nikon Flash Guides, SB-800, SB-600, SB-80DX.
* Contrast ratio tables (delta EV and Aperture)
* “New Rule” handheld shutter speeds, Canon & Nikon.
This photography cheat sheet is available for download in formats Adobe Acrobat PDF format.
I found this photography a very useful reference and can always serve as a reference when we are on the field.
Download this sheet free here