Standard Lens - SIGMA CORPORATION

SIGMA's Standard Lens ... 50mm F1.4 EX DG HSM 17-50mm F2.8 EX DC OS HSM 17-70mm F2.8-4 DC MACRO OS HSM 17-50mm F2.8 EX DC OS HSM / EX DC HSM 恆定大光圈標準變焦防手震鏡，最近對焦距離28cm

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