Archived posting to the Leica Users Group, 2012/03/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Mark - high dynamic range is NOT the same as high ISO. On Wed, Mar 14, 2012 at 3:30 PM, Mark Kronquist <mak at teleport.com> wrote: > I shoot with a Nikon D3. FX Full Frame like the M9. The D3 has a native > (and clean) ISO6400 with H1 and H2 giving "ISO 25,400 or so" > > The D3x (?) and D4 and D800 go to 102,000. Why? > > If I could 2/3 more "speed" by using a B&W sensor I could achieve what ISO > 306.000 or so? > > Or a clean IS 18,600 or so > > WHY? > > This scene is illuminated by the moonlight reflected from my cat's eye? At > what point doe it get to be overkill? > > > On Mar 14, 2012, at 3:24 PM, Kay Yang wrote: > > > Does that mean all those color filters for B&W will be in demand again? > LOL. > > > > On Wed, Mar 14, 2012 at 3:14 PM, Marty Deveney <benedenia at gmail.com> > wrote: > > > >> If Leica really does this I am already there. > >> > >> Marty > >> > >> > >> On Thu, Mar 15, 2012 at 8:39 AM, Sonny Carter <sonc.hegr at gmail.com> > 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. > >>> > >>> > >>> > >>> > >>> -- > >>> Regards, > >>> > >>> Sonny > >>> http://sonc.com/look/ > >>> http://sonc-hegr.tumblr.com/ > >>> Natchitoches, Louisiana > >>> > >>> USA > >>> > >>> _______________________________________________ > >>> Leica Users Group. > >>> See http://leica-users.org/mailman/listinfo/lug for more information > >> > >> _______________________________________________ > >> Leica Users Group. > >> See http://leica-users.org/mailman/listinfo/lug for more information > >> > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- // richard <http://www.richardmanphoto.com>