レンズ設計に良く使われるガラス、プラスチックなどの屈折率のデータを掲載しました。
ガラスは、小原光学の硝材データです。設計の場合の参考にしてください。
| ガラス（材料） | ｄ(587.56nm) | Ｃ(656.27nm) | Ｆ(486.13nm) | ｇ(435.83nm) | ｅ(546.07nm) |
| AIR | 1 | 1 | 1 | 1 | 1 |
| BK7 | 1.51633 | 1.51385 | 1.5219 | 1.52621 | 1.51825 |
| F2 | 1.62004 | 1.61502 | 1.63212 | 1.64209 | 1.62409 |
| PMMA | 1.49176 | 1.4892 | 1.49776 | 1.50256 | 1.49776 |
| FK1 | 1.4706 | 1.46854 | 1.4755 | 1.47 | 1.47236 |
| FK5 | 1.4874 | 1.48535 | 1.49229 | 1.49597 | 1.48915 |
| PSK2 | 1.56873 | 1.56597 | 1.57498 | 1.5798 | 1.57088 |
| K3 | 1.51823 | 1.51555 | 1.52434 | 1.52914 | 1.52032 |
| BAK1 | 1.5725 | 1.56949 | 1.5794 | 1.58482 | 1.57486 |
| BAK2 | 1.53996 | 1.5372 | 1.54628 | 1.55123 | 1.54212 |
| BAK4 | 1.56883 | 1.56577 | 1.57587 | 1.5814 | 1.57124 |
| SK4 | 1.61272 | 1.60955 | 1.61998 | 1.62567 | 1.6152 |
| SK5 | 1.58913 | 1.58619 | 1.59582 | 1.60102 | 1.59143 |
| SK7 | 1.60729 | 1.60418 | 1.61441 | 1.61997 | 1.60973 |
| SK9 | 1.61405 | 1.61067 | 1.62184 | 1.62799 | 1.61671 |
| SK10 | 1.6228 | 1.61949 | 1.63041 | 1.63637 | 1.6254 |
| SK11 | 1.56384 | 1.561 | 1.5702 | 1.57531 | 1.56605 |
| SK12 | 1.58313 | 1.58014 | 1.58996 | 1.5953 | 1.58547 |
| SK14 | 1.60311 | 1.60008 | 1.61002 | 1.61539 | 1.60548 |
| SK15 | 1.62299 | 1.61974 | 1.63045 | 1.6363 | 1.62555 |
| SK16 | 1.62041 | 1.61728 | 1.62757 | 1.63316 | 1.62287 |
| SK18 | 1.63854 | 1.63505 | 1.64658 | 1.65292 | 1.64129 |
| KF3 | 1.51454 | 1.51169 | 1.5211 | 1.52628 | 1.51678 |
| KF6 | 1.51742 | 1.51444 | 1.52431 | 1.52979 | 1.51977 |
| KF8 | 1.51118 | 1.50818 | 1.5182 | 1.52386 | 1.51356 |
| BALF2 | 1.57099 | 1.56762 | 1.57886 | 1.58514 | 1.57366 |
| SSK5 | 1.65844 | 1.65455 | 1.66749 | 1.67468 | 1.66152 |
| LLF1 | 1.54814 | 1.54457 | 1.55654 | 1.56331 | 1.55099 |
| LLF2 | 1.54072 | 1.5373 | 1.54875 | 1.55519 | 1.54345 |
| LLF6 | 1.53172 | 1.52845 | 1.53933 | 1.54541 | 1.5343 |
| BAF4 | 1.60562 | 1.60151 | 1.61536 | 1.62327 | 1.60891 |
| BAF10 | 1.67003 | 1.6658 | 1.67998 | 1.68798 | 1.6734 |
| BAF11 | 1.66672 | 1.66259 | 1.67639 | 1.68414 | 1.67 |
| BAF12 | 1.6393 | 1.63507 | 1.64931 | 1.65742 | 1.64268 |
| LF5 | 1.58144 | 1.57722 | 1.59149 | 1.59969 | 1.58482 |
| F1 | 1.62588 | 1.62074 | 1.63828 | 1.64852 | 1.63004 |
| F5 | 1.60432 | 1.59875 | 1.61462 | 1.62382 | 1.60718 |
| F8 | 1.59551 | 1.59103 | 1.60621 | 1.61498 | 1.59911 |
| F16 | 1.5927 | 1.5878 | 1.60459 | 1.61455 | 1.59667 |
| BASF7 | 1.70154 | 1.69651 | 1.71352 | 1.72334 | 1.70557 |
| BASF8 | 1.72342 | 1.71783 | 1.73689 | 1.74801 | 1.72794 |
| SF1 | 1.71736 | 1.71032 | 1.73462 | 1.74915 | 1.72311 |
| SF2 | 1.64769 | 1.64209 | 1.66125 | 1.67253 | 1.65223 |
| SF4 | 1.7552 | 1.74728 | 1.77473 | 1.79132 | 1.76168 |
| SF5 | 1.6727 | 1.6666 | 1.68755 | 1.69996 | 1.67766 |
| SF6 | 1.80518 | 1.79609 | 1.82775 | 1.84706 | 1.81265 |
| SF7 | 1.6398 | 1.63437 | 1.65293 | 1.66383 | 1.64419 |
| SF8 | 1.68893 | 1.68248 | 1.70465 | 1.71782 | 1.69417 |
| SF10 | 1.72825 | 1.72086 | 1.74645 | 1.76191 | 1.73429 |
| SF11 | 1.78472 | 1.77596 | 1.80648 | 1.82518 | 1.79192 |
| SF13 | 1.74077 | 1.73308 | 1.75974 | 1.7759 | 1.74706 |
| SF14 | 1.76182 | 1.75358 | 1.78227 | 1.7998 | 1.76859 |
| SF15 | 1.69895 | 1.69223 | 1.71543 | 1.72933 | 1.70443 |
| SF18 | 1.72151 | 1.71436 | 1.73904 | 1.75381 | 1.72734 |
| SF19 | 1.6668 | 1.66091 | 1.68109 | 1.69298 | 1.67158 |
| SF03 | 1.84666 | 1.83653 | 1.87198 | 1.89382 | 1.85501 |
| SFL6 | 1.80518 | 1.7961 | 1.82776 | 1.84724 | 1.81264 |
| SFL11 | 1.78472 | 1.77596 | 1.80652 | 1.82534 | 1.79192 |
| SFL03 | 1.84666 | 1.83649 | 1.8721 | 1.89421 | 1.85501 |
| KZF2 | 1.52944 | 1.52634 | 1.53658 | 1.54222 | 1.53188 |
| KZF5 | 1.5213 | 1.51829 | 1.52821 | 1.53366 | 1.52366 |
| SFS3 | 1.7847 | 1.7761 | 1.80603 | 1.82424 | 1.79177 |
| SFSL3 | 1.7847 | 1.77613 | 1.80597 | 1.82426 | 1.79173 |
| LAK7 | 1.6516 | 1.64821 | 1.65934 | 1.66538 | 1.65425 |
| LAK8 | 1.713 | 1.70898 | 1.72222 | 1.72944 | 1.71615 |
| LAK9 | 1.691 | 1.68715 | 1.69978 | 1.70663 | 1.69401 |
| LAK10 | 1.72 | 1.71568 | 1.73001 | 1.73794 | 1.72341 |
| LAK11 | 1.6583 | 1.65481 | 1.66629 | 1.67255 | 1.66103 |
| LAK12 | 1.6779 | 1.67418 | 1.68643 | 1.69312 | 1.68082 |
| LAK13 | 1.6935 | 1.68955 | 1.70258 | 1.70971 | 1.69661 |
| LAK14 | 1.6968 | 1.69297 | 1.70552 | 1.71234 | 1.69979 |
| LAK06 | 1.6779 | 1.67389 | 1.68725 | 1.69469 | 1.68108 |
| LASK01 | 1.755 | 1.75063 | 1.76506 | 1.77296 | 1.75844 |
| LAF2 | 1.744 | 1.73905 | 1.75566 | 1.76505 | 1.74795 |
| LAF3 | 1.717 | 1.71253 | 1.72749 | 1.73587 | 1.72056 |
| LAF01 | 1.7 | 1.69565 | 1.71021 | 1.71839 | 1.70346 |
| LAF02 | 1.72 | 1.71511 | 1.73159 | 1.74098 | 1.72391 |
| LAF08 | 1.72 | 1.71492 | 1.73207 | 1.7419 | 1.72407 |
| LAF010 | 1.7432 | 1.73865 | 1.75372 | 1.76205 | 1.74679 |
| LASF01 | 1.7859 | 1.78059 | 1.79837 | 1.80839 | 1.79013 |
| LASF03 | 1.8061 | 1.80025 | 1.81994 | 1.83115 | 1.81077 |
| LASF05 | 1.83481 | 1.82898 | 1.84852 | 1.85953 | 1.83945 |
| LASF010 | 1.834 | 1.82738 | 1.84982 | 1.86278 | 1.83932 |
| LASF013 | 1.8044 | 1.79838 | 1.8187 | 1.83034 | 1.80922 |
| LASF014 | 1.788 | 1.783 | 1.79963 | 1.80888 | 1.79195 |
| LASF015 | 1.804 | 1.79882 | 1.81608 | 1.82569 | 1.80811 |
| LASF016 | 1.7725 | 1.7678 | 1.78337 | 1.79196 | 1.7762 |
| CAF2 | 1.43387 | 1.43248 | 1.43704 | 1.43949 | 1.43496 |
| FK01 | 1.497 | 1.49514 | 1.50123 | 1.5045 | 1.49845 |
| FK02 | 1.456 | 1.45445 | 1.4595 | 1.4622 | 1.4572 |
| FK03 | 1.43875 | 1.43733 | 1.44195 | 1.44443 | 1.43985 |
| PC | 1.584 | 1.579 | 1.5965 | 1.6021 | 1.5886 |
| PS | 1.59048 | 1.58495 | 1.60408 | 1.61545 | 1.59294 |
| RUBY | 1.7682 | 1.7649 | 1.7756 | 1.7812 | 1.7708 |
| WATER | 1.334 | 1.332 | 1.338 | 1.341 | 1.3345 |
