STARTING PRESCRIPTION FOR SCHMIDT CASSEGRAIN f~NS{gL*
Surf Radius Thickness Glass p^pd7)sBr
OBJ Infinity Infinity %JM$]
STO Infinity 1.000000 Bk7 k|/VNV( =0
2 Infinity 60.000000 Rn~'S2`u
3 -60.000000 -30.000000 MIRROR @Chl>s
IMA Infinity W3,r@mi^s7
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.