Archived posting to the Leica Users Group, 2001/11/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]"not compatible"? Whatever. Seems to work just fine for the well over 90% of photojournalists shooting Nikon and Canon digital. I'm sure it would be quite adequate. These are lenses, not spiritual beings. on 11/5/01 12:03 AM, Jim Brick at jim@brick.org wrote: > I have and have used over the past three years, a Philips 6mp chip. It is > laid out in quadrents and all four quadrents must be read in > simultaneously. The data is seriously convoluted and takes "major" > electronics and firmware to put it back into the proper order as if it were > a normal CCD. And to do this on the fly for six million pixels, and then do > interpolation, color space conversion, PRNU (dead or damaged pixel repair), > etc... is a major operation. So I suspect that the task was a bit > overwhelming for a consumer level camera. > > The CCD I have does work and does take photographs. Perhaps Philips > re-designed it and introduced new problems. > > As far as an M mount digital camera goes, as I have said numerous times > before, the resolution and MTF curves for modern M lenses is not compatible > with imaging on a CCD or CMOS sensors. > > Jim > > > At 12:48 PM 11/4/2001 +0000, George Day wrote: >> No kidding? What sorts of problems? >> >> on 11/4/01 7:24 PM, Raimo Korhonen at raimo.korhonen@pp2.inet.fi wrote: >> >>> Well, Contax/Yashica/Kyocera do not have the chip either - it is >> designed by >>> Philips and they seem to have problems with it. Pentax already dropped >> their >>> camera which was to use it. >>> All the best! >>> Raimo >>> Personal photography homepage at >>> http://personal.inet.fi/private/raimo.korhonen >>> >>> -----Alkuperäinen viesti----- >>> Lähettäjä: George Day <george@rdcinteractive.com> >>> Vastaanottaja: leica-users@mejac.palo-alto.ca.us >>> <leica-users@mejac.palo-alto.ca.us> >>> Päivä: 04. marraskuuta 2001 19:17 >>> Aihe: digital, was: Re: [Leica] Piezo Plunge >>> >>> >>>> Well, >>>> >>>> This has been beaten to death, but a digital M-mount camera would make all >>>> the sense in the world. Not for the purist, of course, but you can >> bet many >>>> an amateur and working photographer on pounce on such a beast. If Leica >>>> could get their hands on (assuming they don't have it) a Contax-style >>>> full-frame chip... >>>> >>> >>> >>> -- >>> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html >> >> -- >> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html