Lesson 2 out of 12 from this site http://www.bestphotolessons.com/index.php?s=front&p=index
Lesson 2 - Exposure (Basic)
Maybe I am starting to basis for what I know, but it was interesting to use closed up apertures, since I prefer the wide ones.
The day was sunny but the light did change some as the clouds move though the sky.
First exercise ("Sunny 16" rule) - set your ISO to 100, set your camera to ƒ16 and the shutter to 1/125th of a second. With this setting, take your camera out during a sunny day, put the sun behind you and shoot anything - you'll have a well exposed image.
http://bighugelabs.com/onblack.php?id=4752308727&siz