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Forums > Back > Sigma 17-50 2.8 EX DC OS HSM or sigma 17-70 2.8/4 DC macro OS HSM
#3
Hi,



I am looking for a similar lens for my D7000 and have done some researches.

I found out (not my own experince):

- IQ of Sigma 2,8/17-50 OS far better than Sigma 2,8-4/17-70 OS at 50 and 70mm wide open

- all other settings: similar IQ

- IQ of Sigma 2,8/17-50 OS better than Tamron 2,8/17-50 VC

- IQ of Tamron 2,8/17-50 (non VC) better than Tamron 2,8/17-50 VC

- IQ of Tamron 2,8/17-50 (non VC) slightly better than Sigma 2,8/17-50 OS



So its up to you:

best IQ and price, but no OS/VR and suboptimal AF: Tamron 2,8/17-50 (non VC)

very good IQ, OS, very good AF, highest price: Sigma 2,8/17-50 OS

if you want to use 70mm for dreamy portraits, good price, OS: Sigma 2,8-4/17-70 OS



Lars
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Sigma 17-50 2.8 EX DC OS HSM or sigma 17-70 2.8/4 DC macro OS HSM - by Guest - 04-05-2011, 07:34 AM

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