Focusing on Depth of Field and Lens Equivalents

How much space in front of the lens will be in focus? That question defines Depth of Field - but this simple concept has lead to a staggering amount of confusion in today’s multi-format camera environment. Through some fundamental scientific demonstrations, we will clarify concepts like circle of confusion and lens equivalency. For fundamentals make sure you check out: The History and Science of Lenses The Properties of Camera Lenses Since I’m al