[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [APML] Moire-like patterns on E200



>-- To be honest, the slide is too dark for me to see any definitive
patterns under >normal lighting.  They do show up well in scans.
Rescanning the slide consistently >produced the same pattern.  As I
mentioned in the linked web page, I even flipped >the slide and scanned it.
The pattern flipped right along with it.

>So Newton rings can be caused by imperfections WITHIN the film?!

I seriously doubt it. Can you see anything on the surface of the slide (look
at it with light reflecting off the surface at a low angle). Are there any
slides from the role that do not have a pattern?

Pushing would not cause this.

Mike


--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>