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sigma lens
im looking to up grade my standard cameras lens a nikon 18-55 af s to go on a D5000
Ive come up against these 2 lenses from sigma
Sigma DC 18-50mm 1:2.8 EX Macro HSM
and
Sigma 18-50mm f2.8-4.5 DC OS HSM
i know one has stablisation but dont know what the other diffrence is as theres a price diffrence in the 2 with the 1st one being more expensive
has any one any expereance with either and what is the diffrence
also would i be better holding out for
Sigma 17 - 70mm f2.8 - 4.5 dc hsm
many thanks
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