Originally posted by Blueheeler Any thoughts on the Sigma OS stabilisation being superior/inferior to the K5 on board stabilisation?
They're supposed to be quite similar, and in-lens image stabilization will drain your battery ludicrously fast.
Originally posted by Blueheeler Any other comparative thoughts between the two?
The Sigma is about AUD$450 more than the Tamron so is it $450 optically better, or is that just the price of in-lens stabilisation.
there are numerous reviews around, on this site, on dpreview, etc. In short, the Tamron is the sharpest, but in general both are great optically. The Tamron's AF is slower, not the best for sports, but since it's less expensive it could be a great choice.