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 ?
Reasons the NIKKOR Z 24-70mm f/2.8 S was selected as the EISA Professional Standard Zoom Lens 2019-2020 (EISA comments)
The 87mm front element aspherical lens plays a pivotal role in the formation of the durable 11-24mm ultra-wide zoom lens. Besides minimizing the reflection, another advantage of the large diameter lens is the reduction of the vignette effect.
Best Expert DSLR Zoom Lens: EF100-400mm f/4.5-5.6L IS II USM
Details regarding product specifications and pricing are yet to be announced, however, Canon is aiming to market the 4K field zoom lens in late 2015, positioning it as the first model in the Company's new UHD-DIGISUPER series.
One alternative to expensive and heavy Cine Zoom lenses is the Sony E-mount system, which has a new servo power zoom lens that can hold an f/5.6 aperture throughout its zoom range and maintain focus.
The centrepiece of the X-S1 is the Fujinon 26x optical zoom lens. Offering a range of 24-624mm (35mm equivalent), it features a bright f/2.8 maximum aperture at the wide-angle setting.
The 21x Super Zoom lens provides a broad focal range from 25mm wide angle to 525mm telephoto (equivalent on a 35mm camera).
For automatic tracking this PTZ camera allows the operator to set up to 8 guarding tours, including up to 60 positions of pan/tilt and zoom lens. In the manual mode, rotation and scaling are carried out using a mouse, keyboard or joystick, supporting Pelco P and D telemetry protocols.
The scientists are part of an international team using a natural space phenomenon which combines stardust and infrared light to act like a zoom lens so they can peer into far away galaxies.
The team, including scientists from Cardiff University, have used a natural space phenomenon of stardust and infrared light, which act like a zoom lens, to see remote clusters of stars.
Make sure the camera has the right features for your needs, such as an optical zoom lens and a certain amount of useful manual controls.
WOW, this zoom lens is pretty good - oh hang on, I haven't got a zoom lens...