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  Previous versions of curious80's message #11256010 « Sigma 35mm f/1.4 DG HSM - AF »

  

curious80
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Re: Sigma 35mm f/1.4 DG HSM - AF


cputeq wrote:
Sven Jeppesen wrote:


When a user like Roger C at Lensrentals get 30 copies of the Sigma lens. And the AF where spot on with every lens he got. That says a lot about the AF with this lens


Or conversely, it says very little about his testing methodology....


Of course Roger's was not doing AF testing, he was checking lens sharpness so his testing is not exhaustive by any means. The point however is that if this lens had any systematic AF issues as for example Sigma 50mm 1.4 had then there is a very good chance some issue would have turned up in his use of the 30 lenses. And we also have about 32 out of 38 users in this poll who report their copies work perfectly fine as well. So at this point there has been no evidence to suggest any specific AF issue with the lens other than the standard bad copy issue which happens with all lenses.



Jan 09, 2013 at 10:39 PM



  Previous versions of curious80's message #11256010 « Sigma 35mm f/1.4 DG HSM - AF »