Patent of Sigma 11-22Mm F4.5-5.6
Sigma corresponds to the full-size SLR 11-22mm F4.5-5.6 of a patent is pending.
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Sigma
Sigma 18-250mm F3.5-6.3 DC (OS)* MACRO HSM. One Lens. All Occasions.
The addition of the 18-250mm F3.5-6.3 DC Macro OS HSM
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