I don't normally do this but just to get an idea of what this lens can do check out this sample 10MP jpg image directly from my K5IIs, hand held, 1/13, f2.0, ISO12800 at 35mm FL, focus was the audio desk (5.5MB)
https://dl.dropboxusercontent.com/u/9304908/temp/IMGS00017.JPG Cheers, On 20 August 2014 08:55, Eric Weir <eew...@bellsouth.net> wrote: > > On Aug 19, 2014, at 6:32 PM, P.J. Alling <webstertwenty...@gmail.com> wrote: > >> 28mm is actually normal on APS-c. To get to wide angle you need at least >> 24mm. Now the K 30mm f2.8 is better optically than almost all of the 28mm >> lenses Pentax made. There is a 28mm M/A at f2.0 and a K version with a >> different optical formula. God knows what those sell for they are pretty >> rare as well as being pretty fast for wide angle lenses. Also the 30 is >> supposed to be optically superior to them all. The f3.5 versions in the 28mm >> lenses in K,M,A are also supposed to be better then the f2.8 versions, >> though I've not ever handled any of them. I have both an A 24mm f2.8 and a >> K as well, both sell for three or more times more than the 28mm lenses, I >> bought them both when they were still relatively inexpensive. >> >> If you're looking for sharper, the f3.5 versions are that even wide open, >> and they are about the same price as their f2.8 brethren. However using an >> f3.5 manual focus wide angle lens without focusing aids makes critical focus >> difficult to achieve. I say that from experience as I have a 35mm f3.5 SMC >> Takumar that while beautifully made, and very sharp, makes looking through >> any viewfinder very dim, and even dimmer on those cameras actually made for >> them, it's really best to set hyper-focal distance and aperture on it and >> shoot that way. > > Trade-offs, trade-offs, trade-offs. Always a lot to think about. Thanks for > giving me places to start, though at the moment the dizziness is such as to > make me want to throw up my hands and say, “The A 28/2.8 is good enough.” But > as you say, it’s effectively normal, and I’ve definitely experienced > occasions on which I would like to have had a little wider field of view. > > ------------------------------------------------------------------------------------------ > Eric Weir > Decatur, GA USA > eew...@bellsouth.net > > "You keep on learning and learning, and pretty soon > you learn something no one has learned before." > > - Richard Feynman > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Rob Studdert (Digital Image Studio) Tel: +61-418-166-870 UTC +10 Hours Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
