It shows aperture because at some aperture's some things are in focus and some aren't
Understanding exposure - a precursor
Aperture effect chart
Manual Mode in Photography - go for it!
Boost Your Photography: Manual Mode in Photography - go for it!
If you're a new photographer, learn the easy way to shoot in manual mode right here! Photography tips focusing on shooting in manual mode.
50 Portrait Photography Ideas
50 Portrait Photography Ideas | Infographic
Foldio. How am I just now hearing about this?? [/raw] [raw]// [/raw]
Photo cheat sheet.. AWESOME!
DIY food blogging backdrops for blog photography
Description by untwisty.com::::: If you wrote a book, have a picture holding that book on your website! Adds a lot of credibility. You can also use ANY book in your pic to show that you care about learning new things!