Archived posting to the Leica Users Group, 1996/05/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Mon, 20 May 1996, Wolfgang Sachse wrote: > > > Edward Meyers wrote: > > > > > This LED illumination device could be a big help... > <snip> ... > ..and Bill Christenson followed: > > > > ... I understand John Sexton will make 7+ minute exposures ... > > Hi - > > How does he compensate for reciprocity failure? > > -- Wolfgang > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Wolfgang Sachse Cornell University > sachse@msc.cornell.edu http://www.msc.cornell.edu/~sachse > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > In color there are other problems. With B&W, check the manufacturer's info sheets. Or call the tech numbers. Ed Meyers>