DR JONES
Everything under control?

Simple on/off switching, dimming or fully networked controls? Dr Jones takes a look at the range of technological options available to specifiers

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DR JONES
Efficacy explained

To understand efficacy, you must understand lumens, watts and power factor. Don’t be afraid, the doctor will explain all…

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DR JONES
The wheat and the chaff

When it comes to light measurement, not all photometers are created equal. Which one should you use if you want to improve your luminous metrology?

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DR JONES
The doctor will see you now…

Lux magazine’s resident technical boffin takes the fear out of lighting technology by answering the questions you are afraid to ask

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DR JONES
The doctor will see you now…

There’s no getting away from it, lighting is a technical subject. But you don’t need a physics degree to understand it all – you need the doctor. Dr Gareth Jones, that is, one of the UK’s top experts. Send your questions to thedoctor@archive.luxmagazine.co.uk. Next!

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