Archived posting to the Leica Users Group, 2008/06/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Jun 16, 2008, at 9:42 AM, Lottermoser George wrote: > Further: Spectrum rendering has always been a serious consideration > in B&W photography. > Panchromatic films, Orthochromatic films, IR films, UV films; each > requiring > Folks have been trying to figure out which filter to use to properly > interpret to their intentions for the scene for as long as B&W > photography has been available. > Using CCD and Cmos chips simply bring up their own spectral response > and require proper filtration whether by the manufacturer supplying > a filter over the chip or deciding not to (in the case of Leica M8). > Not hocu pocus - rather science - and art depending on your interest. whether you call it hocus pocus or science... best.... show results... M8 bw with and without IR cut filters..., and no other variables, I can be convinced, I would like to see what difference it makes... after all that is what I asked, Steve > > > Fond regards, > George > george@imagist.com > www.imagist.com > http://www.imagist.com/blog > Picture A Week - www.imagist.com/paw_07 > > > > On Jun 16, 2008, at 11:24 AM, Emilio Perea wrote: > >> On Mon, Jun 16, 2008 at 07:17:35AM -0700, Steve Barbour wrote: >>> >>> what a lot of hocus pocus...seems like people have been shooting bw >>> forever, in all situations, cameras, films.... >>> >>> without consideration of IR filters... >> >> Steve, >> >> Assuming you are not joking... >> >> They are talking about BW photography with the M8. Since the >> spectral >> sensitivity of the M8 is different enough from that of film so as to >> require IR-cutoff filters in some situations, it is reasonable to >> wonder >> how those filters affect BW rendition. >> >> (Or were you thrown off by the misleading "IR filter" designation for >> "whatever you call those things"? :-) >> >> Emilio >> >> _______________________________________________ >> 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