Technology guides

Advanced technology guide: Determining depth of field

Professor Newman looks at depth of field from the standpoint of what happens in front of the lens

Oct 1, 2016

What are the technological developments that have led to building and using wider and wider lenses?

Sep 18, 2016

How to manage exposure to maximise information rather than manipulate output brightness

Sep 12, 2016

The popularity of the light-emitting diode has led to a decline in flash tubes, but why is the LED so...

Sep 8, 2016

With its 1in sensor, the Panasonic Lumix DMC-TZ100 is capable of matching full-frame – with limitations

Sep 15, 2016

With stills cameras now the norm for filmmaking, why haven't cine lenses changed accordingly?

Aug 10, 2016

Bob Newman explains why the JPEG format isn't perfect and why its proposed replacement is no better

Aug 5, 2016

What factors determine the appearance of bokeh and how far will people go to achieve this effect?

Aug 7, 2016

Bob Newman looks at the factors affecting how a camera system renders an image of a distant object

Jul 25, 2016