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Yes...the Panny 14-45 is definitely sharper than the 12-50. The 12-50 is very nice because the macro mode is definitely decent (not going to compete with the Oly 60, but it certainly is good enough for casual macro work), and because it has a great range in a weathersealed body. It's built better than the 14-45, which feels very cheep, but the 14-45 is frankly the best kit zoom ever made, IMO. It compares favorably with high end zooms in pure optical quality, IMO, but it's slow and built cheaply. I don't tend to use standard zooms very often, so for me, the versatility of the 12-50 is more useful on the rare occasion I want to just use a single lens for wide variety, and I prefer the extra width as well, so I have the 12-50 now, but I've owned the 14-45 and it's excellent.