Hi Boris,
I wonder why you want the older one.
I have the older one. I am happy with it, but last week in the theatre,
I had to switch it to manual focus because of the screwdriver noise. The
HSM version would have been silent I guess.
At the other hand: I try to avoid HSM lenses for reliability reasons.
What are your arguments for wanting screwdriver and not HSM?
greetz, Jos
On 15-11-2012 6:09, Boris Liberman wrote:
Hi!
I'm looking for Sigma 17-70/2.8-4.5 (not the modern OS HSM version,
but the older one). I'm willing either to buy it or to trade it for my
DA* 16-50/2.8. In the case of trade some money would have to come
along with the Sigma lens.
Thanks.
Boris
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