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 ?
Earning TIPA's Best Professional DSLR Lens title, the EF11-24mm f/4L USM ultra-wide-angle zoom lens provides users with access to the widest angle of view5 yet achieved for a rectilinear full-frame DSLR zoom lens.
9) optical zoom lens, and the 4-megapixel Nikon Coolpix 4300 for $400, with a 3x (38-114mm f/2.
The $1,000 titanium-body camera features include an equivalent 35-105mm zoom lens, plus a 4x digital zoom; and employ a SD memory card.
It records high-resolution images at 1280 x 1024, or at 640 x 480 resolutions, and the 3x aspherical zoom lens delivers 35mm equivalent of 35-114mm coverage.
Similar to other lenses Canon provides for its REALiS Pro A/V Series projectors, the RS-IL04UL Ultra Long Focus Zoom Lens includes independently floating elements, helping to ensure minimal image quality change and light loss throughout the zoom length of the lens, thus greatly reducing the need to over-specify projector brightness to compensate for light loss.
2 kg, less than half the weight of the top-end zoom lens models that went on sale earlier this year.
Since it is fully computer controlled, users can add a motor-driven zoom lens (with feed back), a fixed lens or a manually controlled zoom lens.
The new top-end cinema zoom lens lineup can be used with standard manual and electronic movie industry accessories, as well as matte boxes.
At the 19th edition of the Milipol exhibition in Paris, Thales is unveiling a new ruggedised 10x20 HD D/N zoom lens developed specifically for the security and surveillance market.
1 megapixel PowerShot A570 IS digital camera takes its place as the new "A" team value champ with its impressive 4x (35mm-140mm equivalent) zoom lens and Canon's advanced Optical Image Stabilization (OIS) that significantly reduces the effects of camera shake (and the ruined pictures they cause).
is pleased to announce the release of the PENTAX Q7 Premium Kit, which consists of the super-compact, ultra-lightweight PENTAX Q7 lens-interchangeable digital camera, four High-Performance-series lenses including the new PENTAX-08 WIDE ZOOM ultra-wide-angle zoom lens, and a host of accessories.