Originally posted by mecrox Anyone prepared to sing the praises of the 9-18mm which is somewhat affordable or should I be looking elsewhere?
I owned the 9-18 for several years and, initially at least, used it quite a bit, and even won a couple of awards with images from the lens. The lens is fairly sharp away from the edges, with really good contrast and color in the 9 to 15 range. The biggest selling point, however, of the 9-18 is its diminutive size. It's surprisingly small for a wide angle zoom. It also works great with filters. Even at 9mm I never had an issue with vignetting even when using a rather thick 10 stop ND filter combined with square cokin-P filters.
An image from the Oly 9-18:
For those shooting Pany cameras, the Pany 7-14 is a very credible solution. On Olympus cams, the 7-14 is prone to purple fringing/blobbing from strong light sources. The other option is the Oly 7-14 Pro, which is a bit heavy for an m43 lens but optically excellent.