Date: Sun, 16 Oct 2011 16:04:30 -0500
From: Don Williams <dwilli10@xxxxxxx>
Subject: [rollei_list] Re: Rodinal, TMax, scanning
At 08:11 AM 3/21/2011, Bob Smith:
>I read this from Sanders this morning and I wanted a little
>clarification - I could be misinterpreting the thought. I've never
>heard of underexposed negs causing Newton Rings. Am I understanding
>this correctly? I spent many years selling both high-end drum
>scanners (Hell Graphics / Linotype / Scitex - along with flatbed
>scanners from Iris / AGFA, etc) - and I never recall hearing Newton
>rings can be caused by underexposed negatives. Now I'm curious and
>just looking for some clarification.
This is a response to a fairly old post but I can say that as far as
slides are concerned, at least for some types, if they are
under-exposed there are less "bumps" on the emulsion side and that
does make an environment for Newtons rings.