Hey, is that a Mackie? Nice! On Wed, Aug 20, 2014 at 1:01 AM, Rob Studdert <[email protected]> wrote: > 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 <[email protected]> wrote: >> >> On Aug 19, 2014, at 6:32 PM, P.J. Alling <[email protected]> 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 >> [email protected] >> >> "You keep on learning and learning, and pretty soon >> you learn something no one has learned before." >> >> - Richard Feynman >> >> >> -- >> 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. > > > > -- > 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 > [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.
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