May 3, 2001 Here is the transmission of the MegaPrime optics: - Wide Field Corrector - Image Stabilizing Plate - Camera Window Calculations are based on real coatings on all elements but the front lens (not coated yet) Wavelength (nm) Transmission On-Axis 300 0.000 301 0.000 302 0.001 303 0.003 304 0.008 305 0.023 306 0.055 307 0.122 308 0.250 309 0.479 310 0.869 311 1.321 312 1.957 313 2.829 314 4.002 315 5.551 316 7.560 317 10.115 318 13.313 319 17.259 320 22.079 321 24.754 322 27.595 323 30.589 324 33.738 325 37.042 326 40.498 327 44.113 328 47.885 329 51.823 330 55.928 331 57.301 332 58.622 333 59.898 334 61.130 335 62.337 336 63.532 337 64.707 338 65.870 339 67.031 340 68.209 341 68.540 342 68.879 343 69.215 344 69.563 345 69.924 346 70.273 347 70.679 348 71.088 349 71.532 350 71.989 351 72.021 352 72.097 353 72.151 354 72.259 355 72.361 356 72.490 357 72.635 358 72.815 359 72.983 360 73.170 361 73.551 362 73.938 363 74.321 364 74.720 365 75.130 366 75.359 367 75.583 368 75.814 369 76.059 370 76.284 371 76.430 372 76.585 373 76.753 374 76.907 375 77.071 376 77.261 377 77.448 378 77.562 379 77.636 380 77.697 381 77.837 382 77.981 383 78.136 384 78.276 385 78.406 386 78.503 387 78.617 388 78.707 389 78.795 390 78.870 391 78.957 392 79.058 393 79.144 394 79.221 395 79.277 396 79.333 397 79.392 398 79.453 399 79.517 400 79.575 401 79.554 402 79.548 403 79.541 404 79.554 405 79.547 406 79.546 407 79.525 408 79.511 409 79.502 410 79.516 411 79.529 412 79.536 413 79.550 414 79.566 415 79.576 416 79.592 417 79.600 418 79.613 419 79.635 420 79.674 421 79.735 422 79.784 423 79.834 424 79.894 425 79.951 426 80.019 427 80.053 428 80.131 429 80.188 430 80.283 431 80.357 432 80.457 433 80.561 434 80.652 435 80.751 436 80.836 437 80.949 438 81.043 439 81.131 440 81.240 441 81.369 442 81.526 443 81.657 444 81.774 445 81.874 446 81.987 447 82.111 448 82.246 449 82.368 450 82.503 451 82.627 452 82.766 453 82.895 454 83.024 455 83.157 456 83.284 457 83.418 458 83.544 459 83.672 460 83.785 461 83.909 462 84.027 463 84.163 464 84.276 465 84.390 466 84.486 467 84.572 468 84.665 469 84.772 470 84.902 471 85.010 472 85.092 473 85.157 474 85.240 475 85.327 476 85.414 477 85.487 478 85.570 479 85.640 480 85.728 481 85.812 482 85.908 483 85.979 484 86.059 485 86.130 486 86.198 487 86.263 488 86.322 489 86.377 490 86.431 491 86.477 492 86.529 493 86.576 494 86.619 495 86.659 496 86.693 497 86.725 498 86.741 499 86.758 500 86.767 501 86.726 502 86.710 503 86.695 504 86.685 505 86.663 506 86.618 507 86.584 508 86.536 509 86.513 510 86.478 511 86.452 512 86.413 513 86.357 514 86.302 515 86.254 516 86.209 517 86.163 518 86.096 519 86.030 520 85.971 521 85.918 522 85.865 523 85.799 524 85.737 525 85.660 526 85.580 527 85.505 528 85.450 529 85.376 530 85.302 531 85.216 532 85.151 533 85.073 534 85.013 535 84.953 536 84.896 537 84.818 538 84.734 539 84.629 540 84.538 541 84.438 542 84.365 543 84.291 544 84.221 545 84.163 546 84.097 547 84.024 548 83.940 549 83.855 550 83.777 551 83.681 552 83.607 553 83.527 554 83.454 555 83.361 556 83.271 557 83.183 558 83.088 559 83.018 560 82.945 561 82.868 562 82.791 563 82.699 564 82.616 565 82.514 566 82.444 567 82.376 568 82.327 569 82.253 570 82.182 571 82.109 572 82.049 573 81.990 574 81.911 575 81.858 576 81.813 577 81.758 578 81.689 579 81.601 580 81.549 581 81.475 582 81.414 583 81.350 584 81.295 585 81.241 586 81.180 587 81.133 588 81.095 589 81.061 590 81.012 591 80.954 592 80.908 593 80.865 594 80.832 595 80.776 596 80.736 597 80.690 598 80.657 599 80.613 600 80.565 601 80.540 602 80.526 603 80.515 604 80.503 605 80.471 606 80.444 607 80.425 608 80.408 609 80.376 610 80.332 611 80.311 612 80.328 613 80.324 614 80.327 615 80.288 616 80.297 617 80.272 618 80.269 619 80.247 620 80.238 621 80.229 622 80.229 623 80.222 624 80.219 625 80.222 626 80.227 627 80.235 628 80.222 629 80.218 630 80.207 631 80.219 632 80.230 633 80.245 634 80.238 635 80.243 636 80.242 637 80.248 638 80.256 639 80.275 640 80.303 641 80.298 642 80.308 643 80.315 644 80.344 645 80.346 646 80.343 647 80.351 648 80.386 649 80.402 650 80.420 651 80.441 652 80.485 653 80.520 654 80.551 655 80.566 656 80.587 657 80.615 658 80.648 659 80.692 660 80.725 661 80.765 662 80.805 663 80.848 664 80.902 665 80.948 666 80.994 667 81.020 668 81.054 669 81.061 670 81.092 671 81.106 672 81.169 673 81.200 674 81.244 675 81.260 676 81.298 677 81.338 678 81.375 679 81.444 680 81.507 681 81.573 682 81.618 683 81.653 684 81.698 685 81.729 686 81.785 687 81.828 688 81.864 689 81.905 690 81.963 691 82.040 692 82.090 693 82.143 694 82.171 695 82.205 696 82.248 697 82.300 698 82.362 699 82.397 700 82.451 701 82.498 702 82.556 703 82.610 704 82.660 705 82.708 706 82.732 707 82.767 708 82.819 709 82.877 710 82.924 711 82.973 712 83.018 713 83.050 714 83.082 715 83.120 716 83.158 717 83.192 718 83.250 719 83.308 720 83.345 721 83.396 722 83.461 723 83.517 724 83.554 725 83.584 726 83.641 727 83.695 728 83.759 729 83.805 730 83.848 731 83.884 732 83.933 733 83.980 734 84.034 735 84.096 736 84.155 737 84.217 738 84.266 739 84.319 740 84.349 741 84.389 742 84.418 743 84.473 744 84.526 745 84.588 746 84.637 747 84.676 748 84.734 749 84.752 750 84.792 751 84.823 752 84.901 753 84.972 754 85.036 755 85.085 756 85.117 757 85.158 758 85.208 759 85.245 760 85.274 761 85.317 762 85.391 763 85.457 764 85.540 765 85.593 766 85.642 767 85.665 768 85.694 769 85.721 770 85.761 771 85.791 772 85.843 773 85.881 774 85.924 775 85.987 776 86.044 777 86.103 778 86.128 779 86.146 780 86.181 781 86.224 782 86.267 783 86.316 784 86.351 785 86.379 786 86.414 787 86.474 788 86.524 789 86.549 790 86.563 791 86.584 792 86.632 793 86.683 794 86.741 795 86.777 796 86.783 797 86.796 798 86.803 799 86.829 800 86.848 801 86.852 802 86.883 803 86.908 804 86.937 805 86.973 806 86.985 807 86.991 808 87.011 809 87.022 810 87.029 811 87.038 812 87.069 813 87.100 814 87.128 815 87.123 816 87.161 817 87.167 818 87.158 819 87.165 820 87.196 821 87.213 822 87.224 823 87.233 824 87.242 825 87.261 826 87.269 827 87.284 828 87.301 829 87.321 830 87.280 831 87.302 832 87.325 833 87.339 834 87.356 835 87.382 836 87.402 837 87.429 838 87.437 839 87.472 840 87.498 841 87.528 842 87.536 843 87.546 844 87.552 845 87.564 846 87.584 847 87.600 848 87.610 849 87.626 850 87.636 851 87.635 852 87.636 853 87.638 854 87.645 855 87.653 856 87.663 857 87.679 858 87.678 859 87.689 860 87.697 861 87.711 862 87.713 863 87.722 864 87.722 865 87.731 866 87.743 867 87.740 868 87.720 869 87.701 870 87.694 871 87.681 872 87.678 873 87.671 874 87.667 875 87.656 876 87.654 877 87.660 878 87.631 879 87.631 880 87.606 881 87.583 882 87.555 883 87.534 884 87.511 885 87.485 886 87.461 887 87.449 888 87.417 889 87.402 890 87.379 891 87.344 892 87.316 893 87.272 894 87.224 895 87.184 896 87.147 897 87.115 898 87.072 899 87.046 900 87.011 901 86.982 902 86.933 903 86.892 904 86.821 905 86.750 906 86.674 907 86.633 908 86.551 909 86.500 910 86.447 911 86.384 912 86.325 913 86.265 914 86.202 915 86.140 916 86.099 917 86.052 918 85.974 919 85.893 920 85.810 921 85.740 922 85.653 923 85.589 924 85.507 925 85.430 926 85.348 927 85.296 928 85.205 929 85.134 930 85.048 931 84.949 932 84.854 933 84.776 934 84.698 935 84.609 936 84.534 937 84.455 938 84.358 939 84.259 940 84.171 941 84.075 942 83.972 943 83.894 944 83.781 945 83.698 946 83.618 947 83.551 948 83.434 949 83.349 950 83.260 951 83.166 952 83.057 953 82.974 954 82.875 955 82.790 956 82.710 957 82.604 958 82.497 959 82.394 960 82.293 961 82.190 962 82.090 963 81.994 964 81.883 965 81.773 966 81.645 967 81.537 968 81.407 969 81.295 970 81.177 971 81.068 972 80.943 973 80.869 974 80.758 975 80.635 976 80.516 977 80.404 978 80.289 979 80.180 980 80.072 981 79.943 982 79.823 983 79.720 984 79.615 985 79.505 986 79.397 987 79.293 988 79.157 989 79.041 990 78.921 991 78.805 992 78.667 993 78.557 994 78.422 995 78.298 996 78.175 997 78.062 998 77.934 999 77.807 1000 77.677 1001 77.559 1002 77.451 1003 77.345 1004 77.247 1005 77.134 1006 77.016 1007 76.897 1008 76.771 1009 76.660 1010 76.539 1011 76.415 1012 76.275 1013 76.186 1014 76.062 1015 75.951 1016 75.833 1017 75.730 1018 75.595 1019 75.477 1020 75.343 1021 75.208 1022 75.100 1023 74.991 1024 74.879 1025 74.758 1026 74.641 1027 74.512 1028 74.389 1029 74.267 1030 74.153 1031 74.037 1032 73.901 1033 73.792 1034 73.662 1035 73.553 1036 73.428 1037 73.318 1038 73.174 1039 73.054 1040 72.934 1041 72.806 1042 72.675 1043 72.551 1044 72.423 1045 72.293 1046 72.173 1047 72.037 1048 71.898 1049 71.766 1050 71.637 1051 71.491 1052 71.349 1053 71.224 1054 71.095 1055 70.970 1056 70.834 1057 70.710 1058 70.562 1059 70.435 1060 70.297 1061 70.165 1062 70.029 1063 69.901 1064 69.770 1065 69.640 1066 69.517 1067 69.374 1068 69.250 1069 69.167 1070 69.090 1071 69.017 1072 68.942 1073 68.879 1074 68.808 1075 68.738 1076 68.665 1077 68.600 1078 68.519 1079 68.447 1080 68.365 1081 68.222 1082 68.091 1083 67.964 1084 67.829 1085 67.704 1086 67.558 1087 67.421 1088 67.251 1089 67.122 1090 66.990 1091 66.844 1092 66.711 1093 66.578 1094 66.426 1095 66.253 1096 66.097 1097 66.009 1098 65.897 1099 65.809 1100 65.624