Originally posted by distorted_vision would this lense be much better than my sigma 18-50 ? or is it not really worth the upgrade?
I looked seriously at one of these when I used my PZ-1, many years ago. I had a 24mmf/2.5 a 50mm f/1.4 (both manual focus) plus the 28-105 FA Power zoom lens at the time, and decided then that although it was interesting, it was not fast enough (compared to primes) and that it really did not cover enough to make it worth while.
I would think your 18-50 would be a more useable lens, especially since it is wider at the short end.
Unless you are suffering from LBA. I would pass, BUT if you had for example the 12-24 and the 50-250 this would be a perfect fit in the middle