Decisive Camera Focusing.
Tack Sharp helps you take control of camera image sharpness. As a tool for learning it helps you understand how camera settings change image sharpness. As a tool in the field it helps you make quick decisions about camera settings. At its heart Tack Sharp is a specialized calculator showing the range of sharp focus and the extent of blurring for different subjects in a scene. It uses tried and tested camera principles to take the guess work out of camera setup.