 Sigma 10-20mm F4-5.6 EX DC HSM lens : Sigma is pleased to announce the new 10-20mm F4-5.6 EX DC HSM for Four Thirds, an Ultra wide-angle zoom lens designed exclusively for digital SLR cameras with capability of wide angle photography. The Sigma 10-20mm F4-5.6 EX DC HSM lens will be showcased at PMA, which is started on January 31st 2008 in Las Vegas, U.S.A. The introduction of the Sigma 10-20mm F4-5.6 EX DC HSM lens increases our lens line-up for Four Thirds mount to a total of twelve models. The Sigma 10-20mm F4-5.6 EX DC HSM lens ultra wide zoom lens has an angle of view of 94.5 - 56.8 degrees. It is a very powerful tool for landscape photography and produces striking image with exaggerated perspective.
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