Zoom Lens

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Zoom Lens

A lens that allows a photographer to focus so that it appears that a picture is closer to or farther away from the viewer. The first zoom lens was developed by Frank Back and was introduced in 1959.
References in periodicals archive ?
This assignment concerns the purchase of hd zoom lenses suitable for use on the panasonic aj-px5000g camera.
The new UA18x5.5, UA14x4.5 and UA27x6.5 broadcast zoom lenses deliver 4K quality across their zoom ranges by preventing resolution degradation around the edges and controlling all types of aberrations.
Zoom lenses were around in the 1980s, but unless you had lots of disposable cash you were restricted to cheaper brands where image quality was inferior, particularly in the higher telephoto range.
Many of these models had competitive features (such as zoom lenses), and were not all fixed-focus, low-res digital cameras.
Contract notice: delivery of zoom lenses for digital video systems for the eko cobra / dse
The lenses also benefit from having an adjustable back focus, a feature that is very important with zoom lenses. If you're moving between different camera models, then each one might have a slight difference in the back focus due to the distance of the CCD.
In addition to its newest portable HD zoom lenses and its telephoto portable HD lens for 3D productions, Canon offers its full line of broadcast-grade portable HD ENG/EFP lenses, as well as HD studio lenses and long-zoom HD field lenses--including models with Auto Focus and Canon Image Stabilisation--and digital cinematography lenses.
of Hauppauge, New York, provides variable-speed control of the company's ViStar25 series of pan-and-tilts and motorized zoom lenses. The V1305R-DC series can be used with any NOVA (RS-422) or Vicoax II (V1422) control system, controlling pan, tilt, zoom, and focus, as well as autoiris drive.
Both telephoto zoom lenses are ideal pieces of equipment for Electronic Field Production (EFP) broadcast applications including wildlife/nature, sports, live events, documentaries, and helicopter/aerial.
FUJIFILM Corporation has announced that it will release the FUJINON XK6x20 as a new addition to the line-up of 4K-compatible digital cinema camera zoom lenses in late June.
With a wide selection of lenses for every application including zoom lenses, image stabilization-equipped lenses, fast-aperture lenses, macro lenses and even the TS-E tilt-shift lenses, Canon EF lenses have always been well positioned to meet the needs of all photographers.
Summary: Angenieux will showcase its line-up of award-winning, high performance zoom lenses and accessories for today's S35+mm film and large format [...]