STARTING PRESCRIPTION FOR SCHMIDT CASSEGRAIN F/Rng'l
Surf Radius Thickness Glass v#Cz&j
OBJ Infinity Infinity M/::`yJQu
STO Infinity 1.000000 Bk7 fhBO~o+K>
2 Infinity 60.000000 yt/20a
3 -60.000000 -30.000000 MIRROR '1>g=Ic0
IMA Infinity !ol hZ
Now perform a layout plot to verify everything is correct. The standard 2D layout will work fine. You should see a plot like Figure E4-1.