Quote:
Originally Posted by Vanda
I recently got the 150mm Sigma macro. Nice lens and reasonably fast at F2.8. Sharpest images (and most macro lenses have a sweet spot) in the range F8 to F16. This sits on top of my Nikon D90. I have also seen some fantastic shots with the Canon 5D and 180mm macro lense. These lenses keep you a good distance for insect shots.
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The Sigma 150mm is very nice - almost as good as the Canon 180mm f3.5 L to be honest. The latter has slightly better bokeh, but that's about it. I actually own the Sigma btw (except on a Canon body). From my experience, f11 is the sweetspot with this lens, although it's very sharp from f5.6 up to f14 or so.
Dave