17-70 or 18-135 or....?

Started Mar 29, 2011 | Discussions thread
ginsbu
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Re: I think they're on a par .......
In reply to emem, Mar 31, 2011

emem wrote:

HozicEmir wrote:

so is da 18-135 better or worse than 17 70 sigma regarding sharpness?

The Sigma isn't great on the edges and corners - the 18-135 has the advantage there. General image quality seems to be about equal. I might do a quick and dirty comparison this coming weekend if I get the time.

Is your assessment based on comparing them at the same apertures or at their respective maximum apertures?

I'd be interested in a comparison if you have time to do one.

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