VERS 50301 122 2006 MODE SEQ NAME Parabolic mirror of 1.5 metres focal length. Flat M2. NOTE 0 RGB Example 11 NOTE 4 NOTE 0 This is a reflecting telescope with a parabolic primary mirror and a flat secondary mirror. It shows zero aberration on axis. The off-axis aberration increases linearly with distance from the axis, a NOTE 0 nd so is coma by definition. The effectiveness of the paraboloid can be seen by converting it to a sphere (changing the conic constant to zero). Practical details include the small central hole in M NOTE 0 1 and the central obscuration that is located at the dummy surface 2. This central obscuration blocks part of the ray and OPD fans. NOTE 4 NOTE 0 NOTE 4 NOTE 0 (C) R. G. Bingham 2005 UNIT MM X W X CM ENPD 3.000000000000E+002 PUPD 8.000000000000E+002 3.000000000000E+002 GFAC 0.000000000000E+000 0 GCAT SCHOTT RAIM 1.0E-8 0 1 1 0 0 0 PUSH 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0 SDMA 0.000000000000E+000 1 0.000000000000E+000 FTYP 0 0 3 1 ROPD 2 PICB 1 XFLD 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 XFLN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 YFLD 0.000000000000E+000 7.500000000000E-002 1.500000000000E-001 YFLN 0.000000000000E+000 7.500000000000E-002 1.500000000000E-001 -1.500000000000E-001 7.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 FWGT 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 FWGN 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 ZVDX 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 VDXN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVDY 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 VDYN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVCX 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 VCXN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVCY 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 VCYN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVAN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 VANN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 WAVL 5.500000000000E-001 WAVN 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 WWGT 1.000000000000E+000 WWGN 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 WAVM 1 5.500000000000E-001 1.000000000000E+000 WAVM 2 5.500000000000E-001 1.000000000000E+000 WAVM 3 5.500000000000E-001 1.000000000000E+000 WAVM 4 5.500000000000E-001 1.000000000000E+000 WAVM 5 5.500000000000E-001 1.000000000000E+000 WAVM 6 5.500000000000E-001 1.000000000000E+000 WAVM 7 5.500000000000E-001 1.000000000000E+000 WAVM 8 5.500000000000E-001 1.000000000000E+000 WAVM 9 5.500000000000E-001 1.000000000000E+000 WAVM 10 5.500000000000E-001 1.000000000000E+000 WAVM 11 5.500000000000E-001 1.000000000000E+000 WAVM 12 5.500000000000E-001 1.000000000000E+000 WAVM 13 5.500000000000E-001 1.000000000000E+000 WAVM 14 5.500000000000E-001 1.000000000000E+000 WAVM 15 5.500000000000E-001 1.000000000000E+000 WAVM 16 5.500000000000E-001 1.000000000000E+000 WAVM 17 5.500000000000E-001 1.000000000000E+000 WAVM 18 5.500000000000E-001 1.000000000000E+000 WAVM 19 5.500000000000E-001 1.000000000000E+000 WAVM 20 5.500000000000E-001 1.000000000000E+000 WAVM 21 5.500000000000E-001 1.000000000000E+000 WAVM 22 5.500000000000E-001 1.000000000000E+000 WAVM 23 5.500000000000E-001 1.000000000000E+000 WAVM 24 5.500000000000E-001 1.000000000000E+000 PWAV 1 POLS 1 0.000000000000E+000 1.000000000000E+000 0.000000000000E+000 0.000000000000E+000 1 0 GLRS 3 0 GSTD 0 100.00000 100.00000 100.00000 100.00000 100.00000 100.00000 0 1 1 0 0 NSCD 100 500 0.000000000000E+000 1.000000000000E-006 2 1.000000000000E-006 0 0 0 0 0.000000000000E+000 0 COFN COATING.DAT SCATTER_PROFILE.DAT ABG_DATA.DAT PROFILE.GRD SURF 0 COMM STARS TYPE STANDARD CURV 0.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 7 DISZ INFINITY DIAM 0.000000000000E+000 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 1 COMM START DRAWING TYPE STANDARD CURV 0.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 5 DISZ 5.000000000000E+001 DIAM 0.000000000000E+000 1 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 2 COMM CENTRAL OBSCURATION TYPE STANDARD CURV 0.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 1 DISZ 7.500000000000E+002 DIAM 0.000000000000E+000 1 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 OBSC 0.000000000000E+000 8.000000000000E+001 0 SURF 3 COMM CONCAVE MIRROR M1 STOP TYPE STANDARD CURV -3.333333333333E-004 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 2 DISZ -7.200000000000E+002 GLAS MIRROR 0 0 1.50000000 40.00000000 0.00000000 0 0 0 0.00000000 0.00000000 CONI -1.000000000000E+000 DIAM 1.500098187848E+002 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 CLAP 2.000000000000E+001 1.510000000000E+002 0 SURF 4 COMM FLAT MIRROR M2 TYPE STANDARD CURV 0.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 3 DISZ 7.800000000000E+002 GLAS MIRROR 0 0 1.50000000 40.00000000 0.00000000 0 0 0 0.00000000 0.00000000 DIAM 8.008383567610E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 5 COMM CCD TYPE STANDARD CURV 0.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 SLAB 6 DISZ 0.000000000000E+000 DIAM 3.957593352904E+000 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 BLNK TOL TOFF 0 0 0 0 0 0 0 MNUM 1 MOFF 0 1 "" 0 0 0 1 1 0 0.0