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Andrew McLeans Guide to Lenses


Andrew McLean, an experienced cinematographer and now vice president of business development at broadcast equipment hire company HotCam, details some of the basic things to consider when it comes to choosing and using camera lenses. What’s the first thing you do when choosing lenses for a shoot?First I consider the creative direction – the aestheti...

Submitted by Bob Pank#
Published 01 March 2012

Raven from True Lens reviewed


Manufacturer: True Lens Services (TLS)Model: RavenDescription:Matte Box, designed for broadcast lenses; particularly for new super wide lenses with two independently rotating filter trays. Why was it needed and what did it replace?:I needed a second Matte Box with my kits, as my Vocas MB350 has been well used and needed replacing. What other system...

Submitted by Bob Pank#
Published 01 March 2012

Active or Passive? Its a walk-over!


With the forthcoming Olympics being broadcast in 3D free-to-air, there is sure to be a surge in new TV purchases. Given so many 3D capable models to choose from, which is best?Until the manufacturers come out with autostereoscopic designs that work properly in high definition, we have to view 3D though some sort of glasses to separate the left and...

Submitted by Bob Pank#
Published 01 February 2012

Eye to Eye: Video Post-production


This column’s previous excursion into video post-production was just before the 2011 NAB Spring Convention, always a dangerous time to talk about new hardware or software when a deluge of upgrades, lookalikes and lite-editions are about to hit the aisles of the Las Vegas Convention Center. Quite a lot has happened in this category over the past 12...

Submitted by Bob Pank#
Published 01 February 2012

Eye-to-eye: 2011 highlights


“Broadcasters must climb up the ladder into high definition or they’ll get their ankles chewed by the computer industry”. Memorable quote from a manufacturer of video standards converters nearly 30 years ago when NHK was trying to establish its original 1125-line (1080-active) 5:3 aspect-ratio ‘Hi-Vision’. Well it happened. 2011 was the year ‘high-...

Submitted by Bob Pank#
Published 01 January 2012

Glasses wars again


It was never going to be easy. Even now, over four years into the modern 3D era, reliably creating and displaying 3D still presents many challenges. Everyone says that the footage must be technically ‘good’ and, for television, the need for glasses is an issue for viewers, though glasses are pretty well accepted for cinema. The good news is that hu...

Submitted by Bob Pank#
Published 01 October 2011

Panasonic AF101 review


In 2008 Canon released its latest stills camera the 5DMk2. Little did they know what they had released on the videographers world. This so called STILLS camera had a hidden talent, that of course of remarkably good 1080p video. The indie film makers went wild, no more did they have to bolt on large cumbersome depth of field adapters to their video...

Submitted by Bob Pank#
Published 01 September 2011

Using Panasonic AG-AF101 HD Camera


Introduction When award winning film maker and photojournalist Fiona Lloyd-Davies announced her latest project to embark on a journey to The Democratic Republic of Congo, she described the place as “probably one of the toughest environments that a camera can work in - very hot and very, very dusty” but, this was to be just one rigor amongst many du...

Submitted by Bob Pank#
Published 01 August 2011

On the level


In shooting 3D you naturally have two cameras and two lenses: albeit, there are some weird and wonderful single lens/single sensor contraptions out there. This usually means there are any number of ways each camera lens combination could be producing images with minor are major signal level differences. If these level differences are not dealt with...

Submitted by Bob Pank#
Published 01 July 2011

The New ITU-R BS1770-2 Loudness Standard


HistoryThe ITU-R standard BS1770-1, released in 2006, describes a fundamental loudness measurement algorithm. The basic technique was validated through listening tests on varied program material, performed in labs around the world. In late 2010 the ITU committee which maintains BS1770 accepted (after much negotiation) changes submitted by the EBU....

Submitted by Bob Pank#
Published 01 July 2011

Post Production Ask The Experts


IntroductionIt’s a familiar scenario: A client calls with an urgent transfer request. It may be a movie sourced at 23.98PsF that needs conversion for broadcast, and the client needs an HD version at 1080 50i with Dolby E audio and an SD program at 625 50i with PCM audio, as well. Or perhaps the content was shot at 1080 59.94i, but the client needs...

Submitted by Bob Pank#
Published 01 May 2011

The #BVEXPO Great Experiment


NAB, IBC and Broadcast Video Expo share one thing - they play to a global audience for TV and film production, post-production and distribution. It’s not practical to get along to all the shows so there is an increasing trend to report for that global audience. BV Expo is currently the only show without a dedicated multimedia channel. With somethin...

Submitted by Bob Pank#
Published 01 April 2011

3D in 2011


Another year and it’s time for a fresh look at the S3D market. Each year the CES Show that occupies the Las Vegas Convention Center with, in 2011, an unexpectedly high number of attendees (140,000) keen to see what’s new. At CES 2010 S3D was THE thing, but a year later the excitement had moved on to the nebulous market of mobile devices OTT and, pr...

Submitted by Bob Pank#
Published 01 March 2011

Eye to eye: The changing face of video displays


Video display technology is progressing so fast that the phrase 'More revolutions than a banana republic' inevitably comes to mind. No offence intended if you have just taken over as president. From the 1930s to the present century, television display was dominated almost entirely by cathode ray tubes. Competition then arrived in the form of plasma...

Submitted by Bob Pank#
Published 01 March 2011

Anaglyph, old hat but still useful


There are now many technologies for viewing 3D on television or the cinema. The oldest, dating from the 1850’s, is the anaglyph glasses. I’m sure everyone is familiar with the ‘red’ and ‘green’ style of old, though those particular single colours are hardly used these days. The basis of an anaglyph is to separate left and right image components for...

Submitted by Bob Pank#
Published 01 January 2011