Author: Bob Newman

Advanced technology guide: autofocus motors

Focus motors have developed dramatically since the first ones appeared in 1985

Jul 20, 2016

An appreciation of the modern focal plane shutter

Jul 7, 2016

Bob Newman discusses how electronic shutters work and the operation of the most common shutter types

Jun 29, 2016

More pixels will make all your lenses look better

Jun 22, 2016

Bob Newman explains how the sophisticated autofocus system on the Nikon D500 stays on track, even when following erratically moving...

Jun 22, 2016

The manufacturers may not like them, but a well-chosen hack can add functionality to your camera.

May 18, 2016

When comparing cameras, we need to take into account both the sensor size and the lens’s aperture

May 12, 2016

Canon and Nikon’s new, top-end cameras are, at first glance, quite similar, until you look below the surface

May 11, 2016

Nowadays, analogue is used to describe ‘old school’ silver halide photography, yet up close, it’s pure digital

May 8, 2016