STARTING PRESCRIPTION FOR SCHMIDT CASSEGRAIN @b,Az{EH
Surf Radius Thickness Glass oBkhb
OBJ Infinity Infinity /kbU<
STO Infinity 1.000000 Bk7 .$18%jH#
2 Infinity 60.000000 ef7{D
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3 -60.000000 -30.000000 MIRROR SeD}H=,@
IMA Infinity T-en|.
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.