Archived posting to the Leica Users Group, 2001/07/20

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Subject: Re: [Leica] Newton's rings
From: "Mike Durling" <durling@widomaker.com>
Date: Fri, 20 Jul 2001 23:34:36 -0400
References: <002c01c11181$5976dd20$0201a8c0@Workgroup>
 
Sure sounds like Newton's rings.  I get them with my old Federal enlarger
with the glass carrier.  (One reason I don't use it much.)  Do they form
irregular, roughly concentric circles?,  They don't always but it helps
identify them.

Mike D

- ----- Original Message -----
From: "Frank Filippone" <red735i@earthlink.net>
To: "Leica-Users-Group" <leica-users@mejac.palo-alto.ca.us>
Sent: Friday, July 20, 2001 9:06 PM
Subject: [Leica] Newton's rings


> I think I had my first case of newtons' rings.... using an Omega D2 35mm
> spring loaded glass to glass carrier, whereby the 2 glass surface do NOT
> touch, and the film can slide between them, even when closed, I got a
small
> area where there were definite moire looking patterns....
>
> Did I get them?
>
> Frank Filippone
> red735i@earthlink.net
>
>
Replies: Reply from Mark Rabiner <mark@rabiner.cncoffice.com> (Re: [Leica] Newton's rings)
 In reply to: Message from "Frank Filippone" <red735i@earthlink.net> ([Leica] Newton's rings)