Archived posting to the Leica Users Group, 2000/03/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jim Brick wrote: > > Newton rings are caused by imperfect contact by part of the film with > glass. Film with more curl are more prone to newton rings. Current humidity > also is a factor as to the severity of the problem. > > One solution is, of course, to eliminate all contact between film and > glass. This is why glassless neg carriers are so popular. > > Many years ago (1950's) Kodak recommended rubbing the glass (that which has > contact with the film) with fine (00) pumice powder using cotton. This > basically makes the surface layer of the glass, less "glazed" so that the > type of film/glass contact, producing newton rings, does not take place. > The use of 00 pumice powder makes no humanly observable difference. But it > makes a difference in how the film base and glass get along. > > Jim > With the advent of mass scanning I find at Pro Photo in Portland oregon they are selling Anti Newton Spray. Perhaps you use it after your shower in the morning? Or as a general room mist!!! There will be no one with the last name of Newton in sight I imagine! Mark :-) Rabiner