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Articles You May Have Missed – July 5, 2017

Broadcasters are moving to the cloud, but the change requires careful planning. Consultant Tony Orme provides a tutorial on important factors to consider when moving to cloud operations. The first critical question to ask is Private or Public? This article will help you decide if either, or both, make sense for your facility.

​In the second article, camera expert and DP, Barry Braverman discusses how the mechanical lens iris may soon be history. Braverman explains how the traditional lens’ ND filter can be eliminated in new cameras equipped with an electronic variable ND (VND). Removing the requirement for a mechanical lens iris creates the opportunity for improved lens performance and ruggedness, at lower cost.

Public and private clouds appear to be very similar—they both deliver IT infrastructure and network services to host software programs and provide data storage. A public cloud is an off-premise system that provides computing and storage over the internet from a third-party supplier; the broadcaster has little or no control over the physical aspects of the servers, storage or network. A private cloud refers to a similar computing and storage system, but under the direct control of a broadcaster where the hardware may be off or on their premises.

Learn some key factors to consider before making your cloud decision in the article, “Cloud Broadcasting - Public and Private Clouds.”

The prospects for an iris-free lens can be seen with the advent of an electronic variable ND in some new cameras like the Sony FS5 and FS7 II. Electronic VND is inherently step-less, so exposure control can be tweaked precisely, which provides a distinct advantage over fixed-grade glass filters or a click-stop iris that is inherently much more limiting.

For broadcast cameras, this could increase the availability of higher-end, better-performing lenses from a range of manufacturers. Read the article, “The Iris-less Lens: Has Its Time Finally Come?

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Moving to an IT/IP infrastructure is more than just bits, it is also about image/file size. Facilities will soon need to move from current HD-size files to 4K-size files. For those technical managers charged with this transition, you…