Archived posting to the Leica Users Group, 2003/06/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jerry, With all due respect, if you don't even know how to scan your old chromes, how can you make a comment like that? Regards, Patrick - --- Jerry Lehrer <jerryleh@pacbell.net> wrote: > Martin > > You are correct. I cannot understand how a > sophisticated, > experienced photographer could ask that question. > > Jerry > > Martin Howard wrote: > > > Slobodan Dimitrov wrote: > > > > > Anyone know what adjustments in PS, or any other > software, can be used > > > to turn an image taken with ortho film into one > that simulates the > > > tonality of pan-chromatic emulsions? > > > > If I understand correctly, orthochromatic film > captures less spectral > > range than does panchromatic film. Since PS can > only work with what > > you give it, short of "inventing" new pixels, I > don't see how ANY > > manipulations in PS could turn orthochromatic > images into panchromatic > > images, because you don't know the reflective > properties of the objects > > in the scene with regard to the range of > frequencies that the ortho > > hasn't captured. While you might be able to make > some educated > > guesses, and locally adjust contrast accordlingly, > I doubt you'd be > > able to results which are "the same". > > > > M. > > > > -- > > To unsubscribe, see > http://mejac.palo-alto.ca.us/leica-users/unsub.html > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html