Sigma 10-20mm f/4-5.6 EX DC Lens for Minolta and Sony Digital SLR Cameras
10-20mm F4-5.6 EX DC lens allows enjoyment of super wide-angle photography and it is a very powerful tool for indoor shooting and landscape photography with APS-C size image sensors of digital SLR cameras.Wide angle of view (102.4 ? at 10mm and 63.8 ? at 20mm) offers the photographer greater freedom of expression. Three SLD glass elements are employed for effective compensation of color aberration, which is a common problem with super-wide angle lenses. One piece of glass mold and two hybrid aspherical lenses, offer excellent correction for distortion, as well as all types of aberration.This lens is equipped with an inner focusing system. It has a minimum focusing distance of 24cm (9.4") at all focal lengths. The non-rotating lens barrel perfectly suits the petal shaped lens hood. A circular polarizing filter can also be used conveniently.
Designed exclusively for Minolta and Sony digital SLR cameras, the ultra-wide-angle 10-20mm offers a view from 102.4 to 63.8 degrees, making it ideal for landscape photography and other vast applications. The lens is distinguished by its three special low dispersion (SLD) glass elements, which effectively compensate for color aberration, and its aspherical lenses, which provide maximum correction for distortion and various aberrations. As a result, the lens produces an extremely high image quality throughout the entire zoom range. Other details include a minimum focusing distance of 9.4 inches at all focal lengths and an integral petal-type hood to block out extraneous light. Lens Elements and Coating The new multilayer lens coating and lens design reduce flare and ghost--a common problem with digital cameras--while also creating an optimal color balance throughout the entire zoom range. At the same time, the lens offers three SLD glass elements that effectively compensate for colo
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- 10-20mm ultra-wide angle (UWA) lens designed for AF Minolta and Sony DSLR cameras.
- 3 special low dispersion (SLD) glass elements to compensate for colour aberration.
- Multilayer lens coating reduces flare and ghost; 24cm close focusing distance.
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speedtestSigma 10-20mm 1:4-5.6 EX DC HSM review: Digital Photography Review Sigma 10-20mm 1:4-5.6 EX DC HSM review. March 2009 | By Andy Westlake The 10-20mm F4-5.6 EX DC HSM is Sigma's offering in the APS-C ultrawide zoom sector, first
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