Hey guys,
I bought a K-X last christmas and then added a Tamron 17-50 2.8, Sigma 70-300 DG OS, Tamron 18-200 and a Takumar 135 2.8.
I feel that my 18-200 is pretty nice to have when walking around in my temporary home town of Guangzhou, China. However, it is not as sharp as I would have wished and the AF is not very much to cheer for. I currently feel that I have spent enough money on my kit but have the option to swap the Sigma and the 18-200 for either a Tamron 18-250 or a Pentax 18-135 WR. Which one is the better buy?
Another option is to keep the Sigma and only sell the 18-200 and buy a prime 35 f2.4 instead but I don't know if that's any idea since I believe that my 17-50 Tammy is pretty good, is the DA 35mm much better than the Tammy?
What would you have done?