Archived posting to the Leica Users Group, 1999/10/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 8:12 PM +0000 10/6/99, Christer Almqvist wrote: >Why only auto focus? > >For $ 1000 you can get a Heiland Splitgrade module for the V35 (and for >some Dunco, Jobo, DeVere enlargers too) that will expose the paper with >first yellow and then magenta light which is said to give you additional >manipulating possibilities. But that is only half the story. The module has >a sensor that will suggest the exposure time and the filter grade to use >for the negative in the enlarger, and it will not only expose for the >suggested time (or the time as amended by you), it will also automatically >expose at the contrast grade suggested (or amended by you) on VC paper by >sending more or less of the yellow and the magenta light respectively. It >does one-tenth grade contrast adjustments. It has data for 12 different >papers at various contrast grades in its memory. > >I only came across this information yesterday in Monochrome's new catalogue >for the year 2000, and I have no personal experience. Anyway, Heiland is a >highly reputable Geman manufacturer of densiometes with a non plus ultra >reputation. Wilhelm Heiland has written books on densiometry, grey scales, >zone systems and designed software for documenting and calculating >gradation and exposure using a PC. They are serious people. I think they >have a website, but I do not have the address, nor do I know their postal >address. Their web site is: http://www.heilandelectronic.de/ They have a rather confusing and poorly laid out web site, but a lot of the required information is there. Note: you have to click on the large words 'English' or 'Deutsch' in the middle of the left side of the opeining page to get anywhere. * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com