Wednesday, November 18th, 2009 at
1:10 pm
From Library Journal
Part of Amherst’s “Photo-Imaging” series, this manual concentrates on the purchase, use, and technical considerations of the zoom lens. Bial (Looking Good: Photographing Your Library, ALA, 1991) has tailored his text for the creative amateur who uses an electronic 35mm camera. Particularly helpful are the numerous images that illustrate, for the novice, the varying effects of different focal lengths. An entire manual on the zoom lens may not be warranted in m (more…)
Technorati Tags: Lens, Paperback, Photography, PhotoImaging, Series, Zoom
Thursday, November 12th, 2009 at
11:21 am
Tamron now offers a lightweight, compact, high-image-quality telephoto zoom lens with macro capability of 1: 2 that can be used with digital cameras. This new lens is a Di type lens using an optical system with improved multi-coating designed to function with digital SLR cameras as well as film cameras.With this 70-300mm telephoto zoom lens, flipping a macro switch in the focal length range of 180mm to 300mm obtains a maximum magnification ratio of 1: 2 at a minimum focus distan (more…)
Technorati Tags: 70300mm, Cameras, Digital, f/4.05.6, Lens, Macro, Pentax, Tamron, Zoom
Wednesday, October 28th, 2009 at
11:56 am
Kit includes: 1) Sigma 17-35mm EX DG IF Aspherical Zoom Lens; 2) 6-Piece Cleaning Kit; 3) Sigma Spudz Microfiber Cleaning Cloth; 4) Hoya 77mm UV Protector Filter. ? Sigma 17-35mm Lens includes: Front & Rear Lens Caps; Lens Hood; Instructions; Sigma USA Warranty. ? The Sigma 17-35mm has an internal focusing system which eliminates front lens rotation. This makes it easy to use with circular polarizing filters plus it enables using a more effective petal-shaped lens hood to re (more…)
Technorati Tags: 1735mm, Angle, Aspherical, f/2.84, Hoya, Lens, Sigma, Super, Wide, Zoom
Sunday, October 25th, 2009 at
2:51 pm
Amazon.com
Designed for exclusive use with Pentax digital SLR cameras, the Pentax DA* 16-50mm f/2.8 wide-angle zoom lens is a terrific choice for landscapes, portraiture, and just about any other application. The lens features a tightly sealed, weather-resistant and dust-resistant construction to enhance durability in rainy or dusty conditions. The lens’s three aspherical elements and two special optical glass elements, meanwhile, help compensate for chromatic and spherical aber (more…)
Technorati Tags: 1650mm, Angle, Digital, f/2.8, Lens, Pentax, Series, Wide, Zoom
