Archived posting to the Leica Users Group, 1999/02/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The reason for an analyzer (one that can be used as a "densitometer", 3000, 5100, 6000) is that the brightness ratio can be read so that mask (if needed) and paper type (Ilfochrome comes in contrast grades) can be easily determined. What density to make the mask (if you need one) can be determined. It also allows you to make white, white, without test strips. If you want it that way. Jim At 11:03 PM 2/28/99 -0400, you wrote: >Akhil: > >2) You don't need a colour analzer for Ilfochrome. Start with the base >filteration printed on the package of paper and do a test strip for >exposure. The use Kodak colour viewing filters to figure out the proper >filtration. Ilfochrome had a much wider lattitude for filtration. You >move in steps of 10cc's and the print viewing filters are probably the best >choice. Once you have you base filtration for the film and enlarger you >usually use, it needs very little adjustment. > >Regards, > >Robert >