Is this exeptable edge softness?
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03-12-11, 12:09 PM
Join Date: Feb 2011
Difficult to judge with such disparate subject matter. If you can get your hands on some sort of test card it would make comparison much simpler.
Generally speaking, lenses do not perform at their best wide open, nor stopped right down. Also zooms tend to perform better in their mid-range with the worst performance at the top end. Your test shot is probably the worst case for the Tamron; Max aperture @ max zoom.
As you say, primes will always produce a better image. Back in the 'old days', we all carried bags full of primes because the results from zooms were so poor. Technology has resulted in zooms which produce very acceptable images today, but that same technology also enhances the primes, so they'll always be out in front when it come to quality.
The day you think you've found perfection is the day you stop looking, then someone else will find it and move in front of you.
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