The 35mm lens on 35mm film AOV is pretty useful you know, that's what you'll get with the 24mm on the APS-C format cameras. I find I'm using it a lot more than I expected.
-----Original Message----- >From: Jaume Lahuerta <[email protected]> >Sent: Jan 15, 2009 11:26 AM >To: Pentax-Discuss Mail List <[email protected]> >Subject: Re: Panasonic G1 ... example photo @ ISO 1000 > >OK, I see your point but I'll try to explain mine, which I think is >complementary rather than contrary. > >It seems that a lot of the interest in this camera / system is the ability to >use any kind of old lenses on it through adaptors. Regarding this, I have a >colleague at work that collects all kind of old lenses, specially m42 >screwmounts, and uses them with the *ist Ds that I sold to him and in a EOS >350D. I told him about this system and his response was "yes, but they will >look as 2 x focal length, so no more wide angles. I am not interested on this". > >And then I remembered about my Pentax A24/2.8, that was one of my favorites >when shooting film since it gave me a field of view that none of my other >lenses could give. However, I have almost never used (except for comparison >tests) in digital due to its 'new' field of view. > >That's just what I wanted to say: be careful if you are considering this >system in order to use your old lenses on it because the 'conversion factor' >(or whatever you want to call it) is greater that on APS-C. Having said that, >I realize that for some people this may be an advantage, but for others, like >my colleague, it was a clear disadvantage when using his old lenses. If you >like a lens just for its pure optical quality, then fine, it will preserve it. >But if you like a lens for the combination of optical quality and field of >view (which was my case with the 24mm), then the game is over. > >Just wanted to make sure that, whatever category the readers fit, they know in >advance about this. > >Regards, >Jaume > > > >----- Mensaje original ---- >De: Godfrey DiGiorgi <[email protected]> >Para: Pentax-Discuss Mail List <[email protected]> >Enviado: jueves, 15 de enero, 2009 16:32:35 >Asunto: Re: Panasonic G1 ... example photo @ ISO 1000 > >I absolutely despise all this "crop factor" nonsense. It's so ridiculous. > >There's no such thing as a crop factor. Field of view is a property of a focal >length combined with a format. Normal on 35 film is 50mm, normal on FourThirds >is 25mm, normal on 645 is 75mm, etc. That's all. > >My FourThirds cameras include field of view choices from 89 to 4.4 degrees on >the diagonal, using lenses with focal lengths from 11 to 280 mm. A Pentax >M50/1.4 provides an excellent long-portrait-tele field of view. > >80-90% of my G1 photos to date have been made with the 25mm lenses I have. A >near perfect kit for the G1, for my photography, will have the lenses 7-14/4, >20/1.7, 25/2.8 (and f/1.4), 40/1.4 and 75/2.5 in it. I don't have them all >yet ... two aren't available yet ... but that's where it's going. > >Godfrey > > >On Jan 15, 2009, at 12:56 AM, Jaume Lahuerta wrote: > >> Before doing something that you can regret, remember the conversion factor >> that 4/3 and m4/3 introduces in a 35mm lens, which is 2 instead of 1.5 for >> APS-C. > > >-- >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. > > > > > >-- >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. -- 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.
