Not to belabor the point but for those interested in Optivisor lens plates:
#2---1.5X---20 inch viewing distance
#3---1.75X--14 inches
#4---2X-----10 inches
#5---2.5X---8 inches
#7---2.75X--6 inches
#10--3.5X---4 inches


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Ray Kunz


[This message has been edited by Ray Kunz (edited 15 August 2005).]