Originally posted by Nicolas06 You have a real source for theses very precise prediction (180 macro...) or is it just wishfull thinking?
It is not my habit, but a reasonnable interpretation.
I don't have the link here, but he wrote something like "you get 90%" when question was asked for a new FA*200mm macro.
Seen in some DPR thread.
@rawr : Tamron is even reported to have optically designed the last Zeiss Batis Sonnar T* 85 mm f/1,8 lens (mistral75).
But my guess is more for Pentax to re-use Tamron and Tokina lens designs and add some features like WR or drop-in filter... So let's call it "rebadging with adaptations" and possible royalties shared for R&D, than for Tamron/Tokina to relaunch K-mounted series.