Kodak mentioned Full Frame LCD, I guess they meant full 35 mm aspect, so this makes me considering that 4/3" aren hidden 35 mm!
what do you think about it? bye ----- Original Message ----- From: "kilopascal" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Friday, September 27, 2002 5:53 AM Subject: [USMA:22360] Re: 2 metric companies developing non-metric devices > 2002-09-26 > > > I don't think the 4/3 refers to inches at all. If you look down the chart, > the 4/3 is listed as the aspect ratio. That is, the dimensions are 4 units > long and 3 units high. If you look again at the chart the photoactive area > is given as 17.8 �m x 13.4 �m. 17.8 x 3/4 = 13.4 and 13.4 x 4/3 = 17.8. > > If I'm not mistaken, the VHS video camera CCD sensor was called a 2/3 inch > sensor. Now that I see this page, I think the 2/3 had nothing to do with > inches, but was the width to length aspect ratio of the device. > > This is getting to the point of utter ridiculousness placing the term > "inches" where it does not apply. An aspect ratio is unitless. Markus and > Michael, since you are both fluent in German, you need to contact PC welt > and straighten them out. They really need to stop parroting inches or zoll > with out verifying if inch is real or used as a trade name and to start > using metric trade names where they apply when writing in German. I'm sure > they think a 3.5 zoll floppy is 88.9 mm instead of the true 90 mm width. > > Point them to this page shown below and show them that nothing is in zoll. > > John > > > Subject: [USMA:22352] Re: 2 metric companies developing non-metric devices > > I'm puzzled, as to what dimension in that system will be 4/3". The > > sensor shown on > > > > http://www.kodak.com/country/US/en/digital/ccd/kaf5100ce.shtml > > > has an image area diagonale of 22.3 mm. > > >
