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11-30-2014, 08:10 AM   #1
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Is there any advantage to either generation of the Sigma 28-80 Macro?

Anybody have an opinion on this?
Thanks.

11-30-2014, 08:17 AM   #2
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There is a thread around here that compares the 2 side-by-side and comes to several conclusions.
https://www.pentaxforums.com/forums/122-lens-clubs/79149-cheap-af-28ish-80ish...tml#post804899

FYI, the lenses were also marketed under a variety of camera store names and generic names, not merely as Sigma. Better still is the 28-90 macro, more reach and better ratings.
https://www.pentaxforums.com/userreviews/sigma-28-90mm-f3-5-5-6-aspherical-macro.html

Last edited by Docrwm; 11-30-2014 at 08:27 AM.
11-30-2014, 08:54 AM   #3
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I have a Sigma 28-80 macro with the metal mount. I think I read that some of them came with plastic mounts. I like it a lot; my only reservation is that the focus mechanism is a little rough; like it's got sand in it or something. The Macro switch is a little clumsy I think, but it works. It was purchased used at a very inexpensive price and I use it a lot.
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