One of the first things a photographer should learn is to make his images “tack sharp”. This is another way of saying that the subject of the photo is properly focused and the details are sharp with proper contrast.
Always focus on the subject that you are trying to show is the most important aspect of the overall image. This is something that most amateurs neglect. They will focus on the background instead of the bird or on the bird instead of its eyes. Getting the focus accurate is the first step to a sharper image overall.
Achieving a tack sharp photograph is a lot easier once you understand the many ways one can decrease the aberration or movement that shows up in the photograph because of too wide an aperture, camera shake or a slight breeze at the time. (more…)