Archived posting to the Leica Users Group, 2003/12/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The dimensions I quoted are of the entire chip, which is somewhat larger than the part meant for light gathering. - -dan c. At 07:29 AM 02-12-03 -0500, Rei Shinozuka wrote: >what does the 2/3 inch actually measure? the specifications say that >their 7-22.5mm lens is the 35mm equivalent of 28-90mm which would >imply a sensor 1/4 of the linear dimensions of 24mmx36mm, or something like >6mmx9mm. which is about your guess. > >but design-wise it's quite fetching. > >-rei > > >On Tue, Dec 02, 2003 at 06:36:05AM -0500, Dan C wrote: >> Just keep in mind that the term "2/3" does not refer to the actual size of >> the sensor. The sensor in this camera is the same tiny sensor found in >> most p/s cameras with a 5 mp CCD (perhaps the Sony ICX282AQF, 9.74mm x >> 7.96mm with pixel size 3.4um x 3.4 um). The term "2/3" comes from some >> ancient measurement related to the days when television cameras used >> photomultiplier tubes. Which means the same inherent problems with noise >> and DOF control problems. >> >> I wonder how easy it will be to manually focus the camera using the >> electronic viewfinder. I find it very difficult in my (admitedly older >> technology) Minolta D7's evf. >> >> -dan c. >> - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html