04-02-2013, 01:22 PM
Quote:Honestly ... I would go for the Sigma 500mm f/4.5 APO instead.Woah, the corner performance in those corps (resolution crops) nosedives from f5.6 to f8. The CA gets worse and worse the smaller the aperture is!
Faster, cheaper, better. So what's exactly the fuzz other than the Pentax tag ?
It doesn't really matter here but the border performance of the big P is downright poor ... and this a 7000$ lens.
I wonder what is going on there.