Pre-PMA 2005: The second of three DC (digital SLR only) lenses announced by Sigma today is the 10 - 20 mm F4.0 - F5.6 EX DC HSM, an interesting super wide-angle lens which would provide 15 - 30 mm equiv. on a 1.5 FOV crop camera (such as the Nikon D70). This lens also features Sigma's HSM (HyperSonic Motor) for high speed silent focusing with manual focus override.
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Pre-PMA 2005: The second of three DC (digital SLR only) lenses announced by Sigma today is the 10 - 20 mm F4.0 - F5.6 EX DC HSM, an interesting super wide-angle lens which would provide 15 - 30 mm equiv. on a 1.5 FOV crop camera (such as the Nikon D70). This lens also features Sigma's HSM (HyperSonic Motor) for high speed silent focusing with manual focus override. 