STARTING PRESCRIPTION FOR SCHMIDT CASSEGRAIN <2@<r
t{
Surf Radius Thickness Glass S>ylA U;N
OBJ Infinity Infinity T=p}By3a
STO Infinity 1.000000 Bk7 *
SON>BSF
2 Infinity 60.000000 1oW]O@R
3 -60.000000 -30.000000 MIRROR yNMwd.r[
IMA Infinity +fQ$~vr{'
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.