STARTING PRESCRIPTION FOR SCHMIDT CASSEGRAIN a:SQ16_?
Surf Radius Thickness Glass "Clz'J]{
OBJ Infinity Infinity ')+0nPV
STO Infinity 1.000000 Bk7 '%v#v 3'
2 Infinity 60.000000 ,]R8(bD)
3 -60.000000 -30.000000 MIRROR X
fz`^x>M
IMA Infinity 9?+9UlJ7K
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.