When people rag on Sigma AF issues, they should at least differentiate between past issues and the current issue seemingly affecting the new 50.
The big set of AF problems that seemed to have plagued Sigma glass forever appears to come from poor and/or incomplete decoding of Canon's lens protocol, and the art line seems to have resolved this issue for now. Thanks to the usb dock Canon can't pull any further "the new camera ain't done until Sigma glass won't run" stunts.
The problems that seem to have affected Eldar and Viggo appear to be plain manufacturing issues, that are not uncommon when brand new products are introduced. These issues shouldn't become the new normal either, and I sure hope that Sigma's manufacturing lines get their act together quickly.
PS: If people draw a straight line through 35 and 50 price points to determine the expected price of the new 85, then I wonder what price people would expect for upcoming wide angle glass in the art line ...
The big set of AF problems that seemed to have plagued Sigma glass forever appears to come from poor and/or incomplete decoding of Canon's lens protocol, and the art line seems to have resolved this issue for now. Thanks to the usb dock Canon can't pull any further "the new camera ain't done until Sigma glass won't run" stunts.
The problems that seem to have affected Eldar and Viggo appear to be plain manufacturing issues, that are not uncommon when brand new products are introduced. These issues shouldn't become the new normal either, and I sure hope that Sigma's manufacturing lines get their act together quickly.
PS: If people draw a straight line through 35 and 50 price points to determine the expected price of the new 85, then I wonder what price people would expect for upcoming wide angle glass in the art line ...
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