In Broadcast February 2012 - 52


InSTUDIO

‘Further Development Required…’
Have we entered a new era of excellence in LED luminaires? Kieron Seth talks to Jonathan Harrison a director of photography with years of experience in professional lighting
“The industry is getting carried away with LED. In truth, it has got its place, but it’s no panacea. The drawbacks of early LED systems are far from being surmounted and we’re still closing in on the perfect LED – no one’s nailed it completely yet. The average colour space these lights produce is far from perfect for high quality colour critical environments and image capture: a high CRI figure covers up a lot of untruths.” According to Harrison: “A true full-spectrum, industry trusted LED source is still some way off, but is being fast approached by three of the finest lighting manufacturers in the world – KinoFlo, Dedolight, ARRI – and one specialist manufacturer Gekko Technology. We’ll see what they offer this year at the upcoming trade shows.” For Harrison, there is something approaching an obsession with LED lighting devices, with users often unaware of its complexities and “completely ignorant of the spectrum they produce”. As a result, the images captured on screen may not pass the most stringent quality control, particularly when light sources are mixed and colour differences become evident. As a DOP devoted to picture fidelity, “near enough is not good enough – the novelty factor soon wears off!” For Harrison, the fundamental design of many units is at the root of the problem and call into question the whole concept of production lighting. “Why are so many manufacturers sticking LEDs onto a circuit board and calling it a lighting tool? They are ‘illumination tools’ and mostly totally uncontrollable.” He also echoes ARRI’s comments about real-world performance, especially when lights have been running continuously. Indeed, “once LEDs are in a fixture and have optics and heat sinks bolted to them, they can struggle a little to hit the hype”. For Harrison, the real proof that LEDs are still a work in progress is that the technology has not truly arrived on film sets. He adds: “Serious photographic
We’re still closing in on the perfect LED, says DOP Jonathan Harrison

52

lights reproduce a Macbeth chart faithfully, as a tungsten light source can, and do it consistently over a temperature range and time span equal to that of a traditional filament lamp.” He argues that while there are units that perform to a very high standard in certain situations, DOPs need a lighting system that integrate consistently and seamlessly with other lamps in their armoury. Harrison’s view is that further development is required to make them more controllable and flexible in use: “Focusable or a soft source. We need both as image makers, and no one has cracked that one yet as a system.”

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Table of Contents for the Digital Edition of In Broadcast February 2012

In Broadcast - February 2012
Contents
Pictorvision Academy Award
The Ultimate Strategy to Win
Importance of Smooth Streaming
Sony Vegas Pro 11 GPU Speed Boost
Trilogy Communications Celebrates 25 years
CES 2012 Smarter Systems on Show
Vitec Videocom CEO Joop Janssen has the Answers
Space Saving 3D System
OpticamSWITCH Success at Swiss TV
In Broadcast February 2012 - 1
In Broadcast February 2012 - 2
In Broadcast February 2012 - Contents
In Broadcast February 2012 - Pictorvision Academy Award
In Broadcast February 2012 - 5
In Broadcast February 2012 - 6
In Broadcast February 2012 - 7
In Broadcast February 2012 - 8
In Broadcast February 2012 - 9
In Broadcast February 2012 - 10
In Broadcast February 2012 - 11
In Broadcast February 2012 - 12
In Broadcast February 2012 - 13
In Broadcast February 2012 - 14
In Broadcast February 2012 - 15
In Broadcast February 2012 - 16
In Broadcast February 2012 - 17
In Broadcast February 2012 - 18
In Broadcast February 2012 - 19
In Broadcast February 2012 - The Ultimate Strategy to Win
In Broadcast February 2012 - 21
In Broadcast February 2012 - 22
In Broadcast February 2012 - 23
In Broadcast February 2012 - 24
In Broadcast February 2012 - 25
In Broadcast February 2012 - 26
In Broadcast February 2012 - 27
In Broadcast February 2012 - 28
In Broadcast February 2012 - 29
In Broadcast February 2012 - 30
In Broadcast February 2012 - 31
In Broadcast February 2012 - 32
In Broadcast February 2012 - 33
In Broadcast February 2012 - Importance of Smooth Streaming
In Broadcast February 2012 - 35
In Broadcast February 2012 - 36
In Broadcast February 2012 - 37
In Broadcast February 2012 - 38
In Broadcast February 2012 - 39
In Broadcast February 2012 - Sony Vegas Pro 11 GPU Speed Boost
In Broadcast February 2012 - Trilogy Communications Celebrates 25 years
In Broadcast February 2012 - 42
In Broadcast February 2012 - 43
In Broadcast February 2012 - 44
In Broadcast February 2012 - 45
In Broadcast February 2012 - 46
In Broadcast February 2012 - 47
In Broadcast February 2012 - 48
In Broadcast February 2012 - CES 2012 Smarter Systems on Show
In Broadcast February 2012 - 50
In Broadcast February 2012 - 51
In Broadcast February 2012 - 52
In Broadcast February 2012 - 53
In Broadcast February 2012 - 54
In Broadcast February 2012 - Vitec Videocom CEO Joop Janssen has the Answers
In Broadcast February 2012 - Space Saving 3D System
In Broadcast February 2012 - 57
In Broadcast February 2012 - 58
In Broadcast February 2012 - 59
In Broadcast February 2012 - 60
In Broadcast February 2012 - 61
In Broadcast February 2012 - OpticamSWITCH Success at Swiss TV
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