Wide Angle Lens Adapters Enable High Quality Broadcast TV and Film

The Broadcast TV and Film industry requires lenses and optical systems of the highest quality and resolution to transmit images.

Resolve Optics Ltd has a breadth of experience in producing lenses and optical systems for use in film, video, TV, and high-definition TV applications.

Using Wide Angle Lens Adapters

Image Credit: Resolve Optics

Advanced Optical Systems

The company has developed advanced optical systems and field lenses for more than 20 years, which has allowed its customers to attain unrivaled image performance.

Significant achievements are the creation of the industry’s smallest 3:1 optical tracking zoom lens for use in three-chip broadcast cameras and a 0.5x wide-angle adapter, which offered a true 0.5x high-resolution image with the lowest level of distortion across its zoom range.

Wide-Angle Lens Adapters

Resolve Optics Ltd has provided many of its Model 287 wide-angle lens adapters to supply the BBC Springwatch group, located in Bristol, UK, with high-quality, external broadcasts.

Using Wide Angle Lens Adapters

Image Credit: Resolve Optics

AutumnWatch and SpringWatch are two parts of a popular BBC television series that documents the riches of British wildlife through the changing seasons in the United Kingdom. The programs are broadcast live from regions across the country in a primetime evening position on BBC HD and BBC Two.

Over 50 cameras and a crew of 100 are required, which makes both the series the BBC’s biggest outside broadcast events in Britain.

A large number of the cameras are shielded from view and remotely operated to trace the natural behavior of animals, such as badgers, moving near to the set or birds in their nests.

Traditionally, lens adapters for zoom lens cameras have offered a compromise between field of view, image distortion and achievable resolution. Our Model 287 wide angle lens adapter is unique in that it is able to provide a true 0.5x field of view (FOV) whilst maintaining minimal distortion and high resolution throughout the zoom range of your camera.

Mark Pontin, Managing Director, Resolve Optics

He added, “The BBC Springwatch team required that the Model 287 lens be capable of being used outdoors often for days on end without any deterioration in image quality. To stop the incursion of condensation into the Model 287 we mounted all lens elements under dry nitrogen and introduced a new lens bonding technique into the production method. To prove that the lens would withstand the rigors of extended length outdoors broadcasts we immersed the lens in water for several days, dried the lens and still got perfect high-resolution images.

Using Wide Angle Lens Adapters

Image Credit: Resolve Optics

Novel Design and Exclelnt Performance

The resolute performance of the Model 287 is attained by the adapter being designed to function with the moving pupils of zoom lenses.

Its novel design, along with the use of purpose-made high index glasses, intricately balances the need for a low distortion wide-angle view with the higher level of correction required at the narrow angles of view.

The outcome is a lens of the highest quality that has an unmatched capability for full ‘zoom through’. This produces high-contrast images despite the zoom position while continuing to maintain both focus and resolution to the furthest edges of the image.

Contact Resolve Optics Ltd. now to review any application and to find out more about the refined optical design and manufacture solutions it can provide for use in the Broadcast TV and Film industry.

This information has been sourced, reviewed and adapted from materials provided by Resolve Optics Ltd.

For more information on this source, please visit Resolve Optics Ltd.

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