Archived posting to the Leica Users Group, 2012/03/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Which 2/3 Doug? I understand the increase in sensitivity without the Bayer filter. I don't understand why every pixel wouldn't still be used for the luminance data. I.e. I get the loss of sensitivity to which you refer, but not the loss of resolution. What am I missing? cheers, Frank On 14 Mar, 2012, at 22:28, wildlightphoto at earthlink.net wrote: > Sonny Carter wrote: > >>>> > On Wed, Mar 14, 2012 at 4:27 PM, wildlightphoto at earthlink.net < > wildlightphoto at earthlink.net> wrote: > >> To get B&W from an RGB digital camera you throw away 2/3 of the image > data. >> A B&W-only camera could be much more sensitive (higher ISO) and higher >> resolution. > > Um, if you change the mode to BW, that is true, but if you simply > desaturate the image, the file stays the same size, and I presume all the > information remains. > <<< > > And 2/3 of it is duplicate data, same as throwing it away. > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > > -------------------------------------------------------------------- > mail2web.com - Microsoft? Exchange solutions from a leading provider - > http://link.mail2web.com/Business/Exchange > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information