Pentax Lenses
I am not sure I am very happy with my Nikon 180ED f2.8 (a lot of fringing and aberrations at the corners).
I have been reading good things about Pentax lenses especially
165mm f2.8
200mm f4 SMC (5-element)
perhaps 200mm f2.5 SMC
I was wondering whether I could ask people for their opinions on these lenses...
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