Iain Anderson wrote:... I like it, and I tested it directly against the Canon 17-55 in the shop before buying. Both sharp edge to edge. Canon has longer focus throw but no hard stops, Sigma has a shorter throw but hard stops. Both are constant f/2.8 and IS, but Sigma is much cheaper. ...
Thanks for that info; much appreciated.
Question: Approximately how much focus ring travel is there on your Sigma 17-50mm? In other words, from hard stop to hard stop, about how many degrees (or in./mm) does the focus ring on the lens barrel travel?
Cheers.
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