Basic Photography

Learn photography is easy. Enough by studying photography base and then practice. Become, practice, practice and practice. Photography come from word of photos and of graphos. Its mean photos is light, while graphos is paint. So, photography is paint with light.
There are some symbol in photography that is diaphragm (f), speed (s) and ASA/ISO. Diaphragm (f) Symbol with number that is 22, 16, 11, 8, 5.6, 4, 2,...
Speed (s) : 1000, 500, 250, 125, 60, 30, 15, 8,...
Asa (American associated standart) is 100, 200, 400, 800, 1600.
How usage of (f) and (s) ?
Out door, Asa 100
22 / 16 ( beach heat)
11 ( heat)
8 ( cloudy heat)
5.6 ( cloudy)
4 ( below/under tree)
2 ( sunset/sunrise)