APERTURE BASICS
PART 1
The aperture doesn't only control exposure, it also has a big impact on how much of your photo appears sharp or blurred. We've broken this lesson into three parts.
APERTURE - PART 2
PART 2
So, now we have a broad understanding of how the aperture (f-number or f-stop) affects the look of our photographs, how do we use it for more creative control?
APERTURE - REVISION
PART 3
It doesn't hurt to go over things again, just to make sure it's completely understood - and once you do, you'll have complete control over depth-of-field and choosing how much of your photograph you want to appear in sharp focus.