7 Essential Tips for Photographing the Moon. Gives great ideas and even though a couple were kind of obvious, the "iphone photographers" will understand why they cannot do this. And also will increase your knowledge a bit too!
how you can control Depth of Field. It shows the best Aperture for Portraits and the best Aperture for Landscape photos. It also looks at another key factor in controlling Depth of Field: Focusing Distance.: by bertha
Metering modes explained and how to know which one to use