A closer proximity of lens and "film" would produce a sharper image..however imperceptible, but your answer is what I would guess in the case with pixels. I would think, however, that the same DOF might be possible with a somewhat larger aperture and diffraction reduced accordingly.(?)
Thanks, Peter! Final thoughts on the issue, Jack --- On Fri, 9/12/08, P. J. Alling <[EMAIL PROTECTED]> wrote: > From: P. J. Alling <[EMAIL PROTECTED]> > Subject: Re: panasonic's new micro four/thirds camera: G1 > To: "Pentax-Discuss Mail List" <pdml@pdml.net> > Date: Friday, September 12, 2008, 10:17 AM > Jack Davis wrote: > > Will the fact that the sensor is closer to the lens > produce a "sharper" image? > > > Probably not. > > Will the image circle of existing 4:3 lenses not > completely cover the sensor, therefore, producing > vignetting, but increasing the telescopic effect? > > Do to a gain in DOF, will small aperture diffraction > be reduced? > > > No more than on current 4:3 cameras. > > Please be gentle. ;) > > > Suffer. > > > > Jack > > > > > > > > --- On Fri, 9/12/08, P. J. Alling > <[EMAIL PROTECTED]> wrote: > > > > > >> From: P. J. Alling > <[EMAIL PROTECTED]> > >> Subject: Re: panasonic's new micro four/thirds > camera: G1 > >> To: "Pentax-Discuss Mail List" > <pdml@pdml.net> > >> Date: Friday, September 12, 2008, 9:45 AM > >> They're still hobbled by the small sensor > size. As > >> technology improves > >> and 24x36mm sensors become more prevalent, (and > there's > >> no upgrade path > >> even possible), I think this will be relegated to > a second > >> class system, > >> sort of where 4:3 is headed today. The same issue > that > >> always comes up > >> when comparing formats, bigger is better, (higher > image > >> quality), if you > >> can afford it. > >> > >> Mike Johnson had an interesting take on lens > compactness. > >> He always > >> thought that amateurs liked telephotos for their > extra > >> reach, smaller > >> formats make for smaller long lenses with the same > reach, > >> so that would > >> be good. But it's not the effective focal > length > >> it's the physical > >> size that matters. Most amateurs want big lenses > because > >> they look more > >> impressive. My 400 captures the same image, (on > my > >> sensor), as your 800 > >> on your's, but the 800 trumps. > >> > >> In other words size /still/ matters. > >> > >> Subash wrote: > >> > >>> since no one seems to have posted the link > here... :-) > >>> > >>> http://www.dpreview.com/Previews/PanasonicG1/ > >>> > >>> > >>> > >> -- > >> You get further with a kind word and a gun, than > with a > >> kind word alone. > >> --Al Capone. > >> > >> > >> -- > >> 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. > >> > > > > > > > > > > > > > -- > You get further with a kind word and a gun, than with a > kind word alone. > --Al Capone. > > > -- > 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. -- 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.
