Digital BW, The Print

btvarner wrote:

>Please tell me what "ANR" (Anti Newton Ring) glass is.  What makes it 
>different from other glass and where would I find it?
>
>Thanks,
>Bruce Varner
>http://mywebpages.comcast.net/btvarner/Bruce/photo.htm
>
>  
>
 You can get newton rings when two smooth surfaces are pressed together. 
Anti newton ring glass has a texture, which eliminates the smooth 
surface to smooth surface contact that can be a problem. You can get 
anti newton ring glass from Focal Point in florida. 
http://www.fpointinc.com/web_store/Products/focal/fpnewt2.htm

-Peter