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ZDNet Dictionary Definition
- Lens
- The glass or plastic elements that focus light onto analog film or a digital sensor in a still or video camera. Lens quality is just as important in digital...
- Full Lens Definition >>
ZDNet Resources
- Fujifilm FinePix S2000HD
- For a sub-$300 megazoom digital camera, the Fujifilm FinePix S2000HD offers a lot for an advanced amateur photographer. It's as easy to operate as a budget point-and-shoot, but puts forth an abundant array of settings, modes, and trickery to make experimentation just as simple. This package isn't perfect however, as...
- Tags: Photo-Quality, S2000HD, photograph, camera, lens
- Product reviews 2008-11-24
- Optical fibers with a silicon core?
- Optical fibers with a silicon core?And optical fibre is made of...Isn't optical fibre made from glass or plastic anyhow. And what is glass made of? ;)Hint: Not pure silicon...More often than not it's made of silcon dioxide (SiO2) or Silica and other ingredients that change the properties of the resulting...
- Tags: Network technology, Fiber optics, Optical networking, SiO2, silicon core, cable, optical fiber, fiber
- Discussion threads 2008-10-30
- Five more reasons to get the Panasonic Lumix DMC-G1
- Olympus just announced a firmware update to five of its Zuiko Digital lenses that will allow you to use them with Panasonic's new compact interchangeable-lens camera, the Panasonic Lumix DMC-G1. by Janice Chen
- Tags: Panasonic, Janice Chen, Lens
- Blog posts 2008-10-29
- Improving chip density by a factor of 100
- According to the semiconductor industry, maskless nanolithography is a flexible nanofabrication technique which suffers from low throughput. But now, engineers at the University of California at Berkeley have developed a new approach that involves 'flying' an array of plasmonic lenses just 20 nanometers above a rotating surface. With this approach,...
- Tags: Technique, Researcher, Chip, Productivity, Semiconductors, Network Technology, Hardware, Networking, Roland Piquepaille, University Of California At Berkeley, Lens, Lithography, Laser Pulse
- Blog posts 2008-10-26
- Nikon D90 Reviewed: Great image quality and performance. Video mode? Not so hot
- DPReview and PhotographyBlog both posted full, hands-on reviews of the Nikon D90 yesterday. The general consensus among the reviewers (including our sister site CNET's Lori Grunin who posted her review earlier in the month) is that the D90 is an excellent and highly recommended enthusiast's dSLR. by Janice Chen
- Tags: Nikon Corp., Performance, Video, Corporate Communications, Performance Management, Marketing, Human Resources, Workforce Management, Janice Chen, CNET Networks Inc., Lens, Camera, DPReview, PhotographyBlog
- Blog posts 2008-10-14
- Remember Vivitar cameras? Here's what's in store next for the brand
- Remember Vivitar cameras? Here's what's in store next for the brandYou mean......Vitovar. Along with Kodiak and Palmeroid.This is the way customers actually mispronounced manufacturers' names.RE: Remember Vivitar cameras? Here's what's in store next for the brandI remember Vivitar as the maker of the world-class Series One prime and zoom lenses...
- Tags: Branding, Vivitar, Remember Vivitar, Remember Vivitar camera, lens, camera, brand
- Discussion threads 2008-10-08
- Canon EF 70-200mm f4 IS USM L
- You want a medium telephoto lens for your Canon dSLR, something with a constant aperture, solidly built with pro quality, yet light enough to carry on adventure to some far away part of the world. You have looked at the f2.8 models but didn't think you could afford them or...
- Tags: Mode 1, Canon Inc., lens, aperture, f4 IS USM L
- Product reviews 2008-10-06
- Liquid camera lenses controlled by sound
- Researchers at Rensselaer Polytechnic Institute RPI have created an adaptive liquid lens that captures 250 pictures per second. Because these lenses are simply powered by water and sound, they need less energy to operate than competing technologies. According to the project leader, 'The lens is easy to manipulate, with very...
- Tags: Rensselaer Polytechnic Institute, Droplet, Lens, Camera, Roland Piquepaille
- Blog posts 2008-09-30
- Sony Handycam DCR-SR85
- The Sony Handycam DCR-SR85 offers almost everything the company claims. It's very easy to use, goes from off to recording in seconds, is small enough to throw in a bag, and its 60GB hard drive delivers anywhere from 14 to 41 hours of recording time depending on the quality settings....
- Tags: Corporate communications, Monitors & displays, SR85, video, camcorder, lens, Sony Handycam, Sony Corp.
- Product reviews 2008-09-29
- New Digital Camera Announcements and More from Photokina 2008
- Photokina 2008, the world's largest photographic and imaging tradeshow, officially kicked off yesterday, but there have been lots of new product announcements in the leadup. Here are some highlights of products being shown and announced at the show in Cologne, Germany. by Janice Chen
- Tags: Canon PowerShot, Lens, Sensor, Digital Camera, Pentax, Camera, Canon Inc., G9, Janice Chen
- Blog posts 2008-09-24
- Panasonic announces Lumix DMC-G1, smallest and lightest interchangable lens camera
- On Friday, Panasonic announced the first camera to support the new micro Four Thirds standard created by Olympus and Panasonic to deliver interchangeable lenses and other SLR-like features in more-compact form factors. by Janice Chen
- Tags: Panasonic, DSLR, SLR, Lens, Camera, G1, Expert Preview, Janice Chen
- Blog posts 2008-09-15
- Olympus SP-570 UZ
- Photos and image samples:Olympus SP-570 UZOnce you mention the Olympus SP-570's 20x zoom lens, the rest of the camera's feature set seems almost superfluous; with an atypically wide-angle lens for any class of single-body cameras plus an exceptionally long telephoto view, the lens is the raison d'être for the camera....
- Tags: help text, menu navigation, Olympus Corp., lens, SP-570 UZ, camera
- Product reviews 2008-08-22
- (Gallery: Scientists develop eye-shaped camera)
- (Gallery: Scientists develop eye-shaped camera)Great, in theory.Problem is, the sensor will have to be made to match the lens in front of it, and if you change lenses, which professional imaging people are fond of, you'd need to change sensors in order for the focal plane to match.Scientists develop eye-shaped...
- Tags: eye-shaped camera, sensor, camera
- Discussion threads 2008-08-07
- Gallery: Scientists develop eye-shaped camera
- Researchers have developed a camera that's about the same size and shape of a human eye, and see it developing into sharper pictures and even a bionic eye. by Andy Smith
- Tags: eye, camera, picture, eye camera, lens, andy smith
- Image galleries 2008-08-07
- Canon Vixia HF11
- Creating a product line where once there was but one, Canon follows up its flash-based, high-definition Vixia HF10 AVCHD camcorder with a slightly more powerful model, the HF11. Like its sibling, the HF11 is a sleek black compact model with a well-rounded feature set, great video, and excellent performance, and...
- Tags: Corporate communications, Flash memory, HF11, camcorder, video, Canon Inc.
- Product reviews 2008-08-07
- Sony Handycam DCR-SR45
- With the popularity of posting low-resolution video to the Web showing no signs of waning, it's easy to see why the Sony Handycam DCR-SR45 exists. It's very easy to use, goes from off to recording in seconds, is small enough to throw in a bag and go, and its internal...
- Tags: Corporate communications, SR45, camcorder, video, Sony Corp.
- Product reviews 2008-08-04
- Nikon AF-S DX VR 18-200mm f3.5-5.6G IF-ED
- One of the blessings of an SLR can also be a curse: having to choose which lenses to carry, which means finding the right balance between weight and bulk, and having the focal lengths you need. The Nikon AF-S DX VR 18-200mm f3.5-5.6 G IF ED lens offers Nikon shooters...
- Tags: Nikon Corp.
- Product reviews 2008-07-21
- Panasonic announces four new Lumix cameras: FX37, FZ28, LX3, and FX150
- Panasonic added four new models to its Lumix lineup today: the DMC-FX37, a 10.1-megapixel wide-angle compact; the DMC-FZ28, a 10.1 megapixel megazoom model; the DMC-LX3, a 10.1 megapixel enthusiast compact camera; and the DMC-FX150, a 14.7 megapixel compact shooter. by Janice Chen
- Tags: Panasonic, Camera, Janice Chen, Lens, LX3, FX35, Panasonic DMC-LX3 Panasonic, LX2, Iso standards, Corporate Communications, Process Improvement, Monitors & Displays, Quality, Business Operations, Marketing, Hardware, Components
- Blog posts 2008-07-21
- Canon EF-S 55-250mm f4.0-5.6 IS lens
- Available for less than $300, the Canon EF-S 55-250mm f4-5.6 IS is a lightweight, affordable first or second lens to complement your entry-level or midrange digital SLR. With its 400mm-equivalent focal length, you get the reach and angle of view desirable for shooting portraits and sports, or just to bring...
- Tags: Digital cameras, lens, Canon Inc., Canon EF-S
- Product reviews 2008-06-27
- Nikon AF-S DX 16-85mm f3.5-5.6 G ED VR lens
- For those looking to go beyond what a kit lens has to offer their Nikon dSLR, there's Nikon's AF-S DX 16-85mm f3.5-5.6 G ED VR. Compatible with all Nikon DX digital SLRs including the D300, D60, and D40, there's an awful lot to decipher in its name. geekbox...
- Tags: Nikon Corp., aperture
- Product reviews 2008-06-11
White Papers and Webcasts
The Intel Core i7 microprocessor is built using a new microarchitecture, codenamed Nehalem, that allows chips to handle more data, quicker and more energy efficiently. Go inside Intel labs and meet some of the thousands of Intel engineers who helped design and test the new processor.
