Professor Bob Newman, Author at Amateur Photographer

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About

Bob Newman is currently Professor of Computer Science at the University of Wolverhampton. He has been working with the design and development of high-technology equipment for 35 years and two of his products have won innovation awards. Bob is also a camera nut and a keen amateur photographer.

March 17, 2025

Autofocus: DSLR vs Mirrorless Theory and Practice

Professor Bob Newman on why focusing techniques vary depending on whether you’re using a DSLR or mirrorless

by Professor Bob Newman
December 24, 2023

Telephoto lenses for smartphones – Tech explained

Professor Newman looks into the notion of a smartphone telephoto lens and explains different design solutions

by Professor Bob Newman
December 18, 2023

The big Exposure Triangle mix-up and why it’s wrong

What exactly is the exposure triangle? Seems like there isn’t a single consensus on this subject, Professor Newman investigates the issue

by Professor Bob Newman
December 16, 2023

Which is better: glass or plastic smartphone lenses?

Professor Newman investigates whether plastic, glass or a combination of the two is the best choice for smartphone lenses

by Professor Bob Newman
November 13, 2023

How does the Sony A9 III global shutter work?

How does the Sony A9 III's global shutter work, and why is its lowest ISO limited to ISO 250? Professor Robert Newman explains all

by Professor Bob Newman
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August 17, 2023

How does LiveND work on Olympus cameras?

Professor Bob Newman explains how the Live ND Filter function for simulating long exposures with Olympus and OM System cameras works

by Bob Newman
July 9, 2023

Why are new camera models so like the old ones?

New camera models seem only slightly different to older models, so what can we hope for in a new camera? It comes down to ‘platforms’...

by Professor Bob Newman
June 30, 2023

Are smaller pixels worse? Sensor technology myths explained

Are smaller pixels worse? Professor Newman explains why ‘quantum efficiency’ matters in the arguments about pixel density

by Professor Bob Newman
May 21, 2023

Testing Lenses and Cameras – Why Metrics Don’t Matter

Professor Newman reflects on the drawbacks of assessing cameras and lenses using simplified metrics such as MTF50 and Dynamic Range

by Professor Bob Newman
March 22, 2023

Opinion: why the Voigtländer 50mm f/1.0 Nokton lens is so special

Professor Bob Newman reveals the many attractions of the Voigtländer 50mm f/1.0 Nokton Aspherical lens – and why it could be a real game changer for the money

by Professor Bob Newman
December 28, 2022

In praise of Bryce Bayer and the supreme Bayer Sensor

Professor Newman on understanding why the Bayer colour filter array is such a clever design for image sensors.

by Professor Bob Newman
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