On 1/4/2014 11:46 PM, Attila Boros wrote:
I'm thinking since I already have the DA* 16-50, would it really make
sense to also get the Sigma? Given the same focal range, is it really
better? That USB dock looks like a very good idea, focus calibrating
zooms is a nuisance for me. They require different adjustments on wide
and long ends, and I have to make a compromise.

Given that this Sigma lens is very big and very heavy (which makes it a totally no go for me for rather personal reasons) I suggest you first try to hold it in a shop (or if you have a friend that has one, not necessarily Pentax mount of course). I believe that to achieve accurate and robust focus fully open may require certain time to be spent with the USB dock - which you may or may not be willing to do.

I very much would
like Pentax to do something rather unlimited and produce a lens that will
compete with Sigma in IQ dept face to face.

In that case my question would be, when will it be in stock:)

That's purely theoretical question that has only one practical answer - not now, that's for certain.

Boris



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