http://www.photozone.de/pentax/597-pentax_18135_3556?start=1It scores only 1.5 points out of a total of 5. And so does the price-to-performance ratio. :-o :-( The final verdict of Klaus is quoted as follows:-"VerdictWe were quite enthusiastic about the Pentax DA-SMC 18-135mm f/3.5-5.6 ED AL [IF] WR at the time we received it. Regarding the high pricing of the lens we were expecting a very good