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05-19-2013, 09:13 AM   #16
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QuoteOriginally posted by gooseta Quote
In terms of price/performance
1) Tamron 90mm
2) Sigma 70mm
3) Pentax 100mm

I have used all three. The pentax has a good build but the autofocus sounds worse than nails on a blackboard, not to mention that the other two are just as sharp. Choose between the 90 and 70 by what focal length you want. Both are sharp and have great bokeh
+1... I use the Sigma 70 macro...my wife has the Tamron 90 macro.. I think we prefer the 90 mm focal length and micro-contrast of the Tamron a bit, if we were just to own one...and the Tamron was much cheaper. I got the Sigma 70 macro, so we'd both have use of a good macro lens, and to fill our prime gap between 50 and 90. Bit if it was just a single shooter in the house, the Tamron would still be an only macro. You can pay more if you want... but why would you?

05-21-2013, 10:23 PM   #17
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I love both the Pentax A 50/2.8 macro and the Sigma 90/2.8 macro. have gotten great results with both, with the Pentax being a slight bit better in sharpness/image quality, but the Sigma with a more useful (for macro) focal length, imho.
05-22-2013, 01:41 AM   #18
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What ever lens you get, get a rubber lens hood as well. press the front of the hood on the glass and get rid of most reflections!
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