The Sigma 70-300mm f/4-5.6 DG MACRO Telephoto zoom interchangeable lens for Canon AF with excellent cost performance and optimized for use with digital SLR cameras. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300mm focal length. SLD (Special Low Dispersion) glass. They used SLD (Special Low Dispersion) glass in this lens for excellent correction of chromatic aberration. This also corrects for fluctuation of aberration due to focusing. (more…)

Technorati Tags: 70300mm, Autofocus, Cleaning, f/45.6, Filter, Lens, Macro, Sigma, Telephoto, Zoom

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The Sigma APO 70-300mm f4-5.6 DG Macro Lens for Canon Digital SLR Cameras is a telephoto zoom lens with tele-macro functionality. Optimized for digital cameras, this high-performance lens has two Special Low Dispersion (SLD) glass elements in the front lens group and one in the rear lens group. It is able to shoot with maximum magnification 1:2 at the focal length of 300 millimeters. It’s the ideal lens for portraits, sports photography, nature photography, and other (more…)

Technorati Tags: 70300mm, Cameras, Canon, f/45.6, Lens, Macro, Sigma, Telephoto, Zoom

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Designed for exclusive use on Canon digital SLR cameras with smaller-size imagers, this Tamron AF 18-200mm f/3.5-6.3 Di-II aspherical macro zoom lens is ideal for a host of situations. The high-power zoom lens–which offers an equivalent focal length of 28-300mm in 35mm format–adds versatility to your lens menu, zooming from a true wide perspective to an ultra tele zoom, all in an amazingly easy-to-use design. As a result, the lens is ideal for everything from lands (more…)

Product Review

Technorati Tags: 18200mm, Aspherical, Cameras, Canon, Digital, f/3.56.3, Lens, Macro, Tamron, Zoom

Amazon.com

The Sigma 70-300mm f4-5.6 DG Macro Lens for Canon Digital SLR Cameras is a telephoto lens that offers excellent cost performance and is optimized for use with digital SLR cameras. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 millimeter focal length. It’s the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. The lens fe (more…)

Technorati Tags: 70300mm, Cameras, Canon, f/45.6, Lens, Macro, Sigma, Telephoto, Zoom

Amazon.com

Amazon.com Camera shake can ruin your photos, particularly when taking telephoto shots or shooting in low light conditions. The Tamron 18-270mm f/3.5-6.3 macro zoom lens, however, fights camera shake with its state-of-the-art vibration compensation (VC) mechanism, which delivers blur-free handheld images for incredible results. The proprietary VC mechanism employs a three-coil system that moves the VC lens electromagnetically based on signals originating from the mov (more…)

Learn and Master Guitar

Technorati Tags: 18270mm, Aspherical, Cameras, Canon, DSLR, f/3.56.3, Lens, Macro, Tamron, Zoom

Tamron 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 distance as (more…)

Technorati Tags: 70300mm, Cameras, Canon, Digital, f/4.05.6, Lens, Macro, Tamron, Zoom