Re: Lens cleaning / Ronchi us...
Achro@aol.com
Mon, 24 Apr 1995 15:26:30 -0400
A great article on reading the Ronchi patterns can be found in S$T for Sept.
1978. It is very useful since it is based on actual cases in mirror making
classes. It is in the Gleanings for ATM's section.
Achro