Macro lens for K-5

Voigtlander 125mm f2.5 Macro

pentaxforums.com/forums/lens-clubs/13248-voigtl-nder-lens-buying-addiction-post-your-pics-notes-thoughts.html

Although it is pricey.

Some months ago on Pentax forums Com one listed his lens for 2500$ and it was sold imidiately. Funny, on ebay there is two of them for cheaper price right now.

Besides I own one 125mm macro, it is really, really sharpest lens what I have.