About Francois Malan

Francois is a freelance event photographer based in the Netherlands. Born and raised in South Africa, his professional background is in medical image processing.

Post Archive By Francois Malan

Sensor Size, Perspective and Depth of Field

A few months ago we wrote an extensive article on sensor crop factors and equivalence. In that post we covered several topics: the history of the cropped-sensor formats, brightness of the scene, perspective, depth of field, noise and diffraction. In today's post I want to focus on (if you'll excuse...

Using Nikon DX Lenses on FX Cameras

Because the glass elements in a camera lens are round, lenses project a circular image onto a camera’s sensor plane. This projected image circle must be large enough to cover the rectangular sensor, like so: Lenses designed for Nikon DX generally project a smaller image circle because they only need...