I would also recommend the FA28-105 PZ version. http://www.flickr.com/photos/55001392@N08/11685692254/ Only very modest distortion. Reasonably sharp as noted. And the price is quite modest. There's one on eBay right now bundled with a PZ-1 for <$100.
On 1/14/2014 7:19 PM, Mark C wrote: > You might want to consider a 28-105 f4 - 5.6 power zoom. I did some > informal testing / playing around while bored this weekend and was > really impressed with how sharp my copy of this lens is on the K-3. At > 50mm f8 it was pretty close to the A 50 f1.4, which actually surprised > me. I use it mostly on film bodies and will say that it does have some > softness in the corners and edges on film exposures but is still quite > good. Drawbacks are that it is heavy (due to the useless power zoom > feature), slow (f4 - 5.6), variable aperture and has a rotating front > element. None of those are really show stoppers for me. I sometime use > the power zoom on the Mz-S and Pz-1p. > > I also tested my copy of the FA 28-70 f4. Clearly not on par with the > 28-105 but pretty good. Back in the film days I actually preferred it > to the 28-105 - maybe my copy is deteriorating. I would not recommend > going with one of these, though. > > Good luck! > > Mark -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

