Biological Sensitivity
Photopic vision spectral efficacy Photopic data from: Vos JJ (1978) Colorimetric and photometric properties of a 2-deg fundamental observer. Color Res Appl 3: 125–128.


Lamp spectrum

Show/hide spectral data
wavelength,relativeIntensity
 380.0,0.000199999994948
 380.5,0.000219599994307
 381.0,0.000239199993666
 381.5,0.000258799993026
 382.0,0.000278399992385
 382.5,0.000297999991744
 383.0,0.000317599991104
 383.5,0.000337199990463
 384.0,0.000356799989822
 384.5,0.000376399989182
 385.0,0.000395999988541
 385.5,0.000436399987666
 386.0,0.000476799986791
 386.5,0.000517199985916
 387.0,0.000557599985041
 387.5,0.000597999984166
 388.0,0.000638399983291
 388.5,0.000678799982416
 389.0,0.00071919998154
 389.5,0.000759599980665
 390.0,0.00079999997979
 390.5,0.000874999986263
 391.0,0.000949999992736
 391.5,0.00102499999921
 392.0,0.00110000000568
 392.5,0.00117500001215
 393.0,0.00125000001863
 393.5,0.0013250000251
 394.0,0.00140000003157
 394.5,0.00147500003804
 395.0,0.00155000004452
 395.5,0.00167500003008
 396.0,0.00180000001565
 396.5,0.00192500000121
 397.0,0.00204999998678
 397.5,0.00217499997234
 398.0,0.0022999999579
 398.5,0.00242499994347
 399.0,0.00254999992903
 399.5,0.0026749999146
 400.0,0.00279999990016
 400.5,0.0029856198933
 401.0,0.00317123988643
 401.5,0.00335685987957
 402.0,0.0035424798727
 402.5,0.00372809986584
 403.0,0.00391371985897
 403.5,0.00409933985211
 404.0,0.00428495984524
 404.5,0.00447057983838
 405.0,0.00465619983152
 405.5,0.00493057984859
 406.0,0.00520495986566
 406.5,0.00547933988273
 407.0,0.0057537198998
 407.5,0.00602809991688
 408.0,0.00630247993395
 408.5,0.00657685995102
 409.0,0.00685123996809
 409.5,0.00712561998516
 410.0,0.00740000000224
 410.5,0.00783790000714
 411.0,0.00827580001205
 411.5,0.00871370001696
 412.0,0.00915160002187
 412.5,0.00958950002678
 413.0,0.0100274000317
 413.5,0.0104653000366
 414.0,0.0109032000415
 414.5,0.0113411000464
 415.0,0.0117790000513
 415.5,0.0123511000536
 416.0,0.012923200056
 416.5,0.0134953000583
 417.0,0.0140674000606
 417.5,0.0146395000629
 418.0,0.0152116000652
 418.5,0.0157837000675
 419.0,0.0163558000699
 419.5,0.0169279000722
 420.0,0.0175000000745
 420.5,0.0180178001523
 421.0,0.0185356002301
 421.5,0.0190534003079
 422.0,0.0195712003857
 422.5,0.0200890004635
 423.0,0.0206068005413
 423.5,0.0211246006191
 424.0,0.0216424006969
 424.5,0.0221602007747
 425.0,0.0226780008525
 425.5,0.0231402007863
 426.0,0.0236024007201
 426.5,0.0240646006539
 427.0,0.0245268005878
 427.5,0.0249890005216
 428.0,0.0254512004554
 428.5,0.0259134003893
 429.0,0.0263756003231
 429.5,0.0268378002569
 430.0,0.0273000001907
 430.5,0.0278284002095
 431.0,0.0283568002284
 431.5,0.0288852002472
 432.0,0.029413600266
 432.5,0.0299420002848
 433.0,0.0304704003036
 433.5,0.0309988003224
 434.0,0.0315272003412
 434.5,0.03205560036
 435.0,0.0325840003788
 435.5,0.033115600422
 436.0,0.0336472004652
 436.5,0.0341788005084
 437.0,0.0347104005516
 437.5,0.0352420005947
 438.0,0.0357736006379
 438.5,0.0363052006811
 439.0,0.0368368007243
 439.5,0.0373684007674
 440.0,0.0379000008106
 440.5,0.0383491005749
 441.0,0.0387982003391
 441.5,0.0392473001033
 442.0,0.0396963998675
 442.5,0.0401454996318
 443.0,0.040594599396
 443.5,0.0410436991602
 444.0,0.0414927989244
 444.5,0.0419418986887
 445.0,0.0423909984529
 445.5,0.0428318984807
 446.0,0.0432727985084
 446.5,0.0437136985362
 447.0,0.0441545985639
 447.5,0.0445954985917
 448.0,0.0450363986194
 448.5,0.0454772986472
 449.0,0.0459181986749
 449.5,0.0463590987027
 450.0,0.0467999987304
 450.5,0.0473321989179
 451.0,0.0478643991053
 451.5,0.0483965992928
 452.0,0.0489287994802
 452.5,0.0494609996676
 453.0,0.0499931998551
 453.5,0.0505254000425
 454.0,0.05105760023
 454.5,0.0515898004174
 455.0,0.0521220006049
 455.5,0.0529098004103
 456.0,0.0536976002157
 456.5,0.0544854000211
 457.0,0.0552731998265
 457.5,0.0560609996319
 458.0,0.0568487994373
 458.5,0.0576365992427
 459.0,0.0584243990481
 459.5,0.0592121988535
 460.0,0.0599999986589
 460.5,0.0612941991538
 461.0,0.0625883996487
 461.5,0.0638826001436
 462.0,0.0651768006384
 462.5,0.0664710011333
 463.0,0.0677652016282
 463.5,0.0690594021231
 464.0,0.070353602618
 464.5,0.0716478031129
 465.0,0.0729420036077
 465.5,0.0747458033264
 466.0,0.076549603045
 466.5,0.0783534027636
 467.0,0.0801572024822
 467.5,0.0819610022008
 468.0,0.0837648019195
 468.5,0.0855686016381
 469.0,0.0873724013567
 469.5,0.0891762010753
 470.0,0.0909800007939
 470.5,0.093166000396
 471.0,0.0953519999981
 471.5,0.0975379996002
 472.0,0.0997239992023
 472.5,0.101909998804
 473.0,0.104095998406
 473.5,0.106281998008
 474.0,0.108467997611
 474.5,0.110653997213
 475.0,0.112839996815
 475.5,0.115457996726
 476.0,0.118075996637
 476.5,0.120693996549
 477.0,0.12331199646
 477.5,0.125929996371
 478.0,0.128547996283
 478.5,0.131165996194
 479.0,0.133783996105
 479.5,0.136401996017
 480.0,0.139019995928
 480.5,0.142104996741
 481.0,0.145189997554
 481.5,0.148274998367
 482.0,0.15135999918
 482.5,0.154444999993
 483.0,0.157530000806
 483.5,0.160615001619
 484.0,0.163700002432
 484.5,0.166785003245
 485.0,0.169870004058
 485.5,0.173685003817
 486.0,0.177500003576
 486.5,0.181315003335
 487.0,0.185130003095
 487.5,0.188945002854
 488.0,0.192760002613
 488.5,0.196575002372
 489.0,0.200390002131
 489.5,0.204205001891
 490.0,0.20802000165
 490.5,0.213026002049
 491.0,0.218032002449
 491.5,0.223038002849
 492.0,0.228044003248
 492.5,0.233050003648
 493.0,0.238056004047
 493.5,0.243062004447
 494.0,0.248068004847
 494.5,0.253074005246
 495.0,0.258080005646
 495.5,0.264572006464
 496.0,0.271064007282
 496.5,0.277556008101
 497.0,0.284048008919
 497.5,0.290540009737
 498.0,0.297032010555
 498.5,0.303524011374
 499.0,0.310016012192
 499.5,0.31650801301
 500.0,0.323000013828
 500.5,0.331240013242
 501.0,0.339480012655
 501.5,0.347720012069
 502.0,0.355960011482
 502.5,0.364200010896
 503.0,0.372440010309
 503.5,0.380680009723
 504.0,0.388920009136
 504.5,0.39716000855
 505.0,0.405400007963
 505.5,0.415160009265
 506.0,0.424920010567
 506.5,0.434680011868
 507.0,0.44444001317
 507.5,0.454200014472
 508.0,0.463960015774
 508.5,0.473720017076
 509.0,0.483480018377
 509.5,0.493240019679
 510.0,0.503000020981
 510.5,0.513511019945
 511.0,0.524022018909
 511.5,0.534533017874
 512.0,0.545044016838
 512.5,0.555555015802
 513.0,0.566066014767
 513.5,0.576577013731
 514.0,0.587088012695
 514.5,0.59759901166
 515.0,0.608110010624
 515.5,0.618299007416
 516.0,0.628488004208
 516.5,0.638677000999
 517.0,0.648865997791
 517.5,0.659054994583
 518.0,0.669243991375
 518.5,0.679432988167
 519.0,0.689621984959
 519.5,0.69981098175
 520.0,0.709999978542
 520.5,0.718509978056
 521.0,0.72701997757
 521.5,0.735529977083
 522.0,0.744039976597
 522.5,0.75254997611
 523.0,0.761059975624
 523.5,0.769569975138
 524.0,0.778079974651
 524.5,0.786589974165
 525.0,0.795099973679
 525.5,0.801789975166
 526.0,0.808479976654
 526.5,0.815169978142
 527.0,0.82185997963
 527.5,0.828549981117
 528.0,0.835239982605
 528.5,0.841929984093
 529.0,0.84861998558
 529.5,0.855309987068
 530.0,0.861999988556
 530.5,0.867304992676
 531.0,0.872609996796
 531.5,0.877915000916
 532.0,0.883220005035
 532.5,0.888525009155
 533.0,0.893830013275
 533.5,0.899135017395
 534.0,0.904440021515
 534.5,0.909745025635
 535.0,0.915050029755
 535.5,0.918945026398
 536.0,0.922840023041
 536.5,0.926735019684
 537.0,0.930630016327
 537.5,0.93452501297
 538.0,0.938420009613
 538.5,0.942315006256
 539.0,0.946210002899
 539.5,0.950104999542
 540.0,0.953999996185
 540.5,0.956603997946
 541.0,0.959207999706
 541.5,0.961812001467
 542.0,0.964416003227
 542.5,0.967020004988
 543.0,0.969624006748
 543.5,0.972228008509
 544.0,0.974832010269
 544.5,0.97743601203
 545.0,0.98004001379
 545.5,0.981531012058
 546.0,0.983022010326
 546.5,0.984513008595
 547.0,0.986004006863
 547.5,0.987495005131
 548.0,0.988986003399
 548.5,0.990477001667
 549.0,0.991967999935
 549.5,0.993458998203
 550.0,0.994949996471
 550.5,0.995464998484
 551.0,0.995980000496
 551.5,0.996495002508
 552.0,0.99701000452
 552.5,0.997525006533
 553.0,0.998040008545
 553.5,0.998555010557
 554.0,0.999070012569
 554.5,0.999585014582
 555.0,1.00010001659
 555.5,0.999590015411
 556.0,0.999080014229
 556.5,0.998570013046
 557.0,0.998060011864
 557.5,0.997550010681
 558.0,0.997040009499
 558.5,0.996530008316
 559.0,0.996020007133
 559.5,0.995510005951
 560.0,0.995000004768
 560.5,0.993375003338
 561.0,0.991750001907
 561.5,0.990125000477
 562.0,0.988499999046
 562.5,0.986874997616
 563.0,0.985249996185
 563.5,0.983624994755
 564.0,0.981999993324
 564.5,0.980374991894
 565.0,0.978749990463
 565.5,0.97607499361
 566.0,0.973399996758
 566.5,0.970724999905
 567.0,0.968050003052
 567.5,0.965375006199
 568.0,0.962700009346
 568.5,0.960025012493
 569.0,0.95735001564
 569.5,0.954675018787
 570.0,0.952000021935
 570.5,0.948358017206
 571.0,0.944716012478
 571.5,0.94107400775
 572.0,0.937432003021
 572.5,0.933789998293
 573.0,0.930147993565
 573.5,0.926505988836
 574.0,0.922863984108
 574.5,0.91922197938
 575.0,0.915579974651
 575.5,0.911021977663
 576.0,0.906463980675
 576.5,0.901905983686
 577.0,0.897347986698
 577.5,0.89278998971
 578.0,0.888231992722
 578.5,0.883673995733
 579.0,0.879115998745
 579.5,0.874558001757
 580.0,0.870000004768
 580.5,0.864623004198
 581.0,0.859246003628
 581.5,0.853869003057
 582.0,0.848492002487
 582.5,0.843115001917
 583.0,0.837738001347
 583.5,0.832361000776
 584.0,0.826984000206
 584.5,0.821606999636
 585.0,0.816229999065
 585.5,0.810307002068
 586.0,0.80438400507
 586.5,0.798461008072
 587.0,0.792538011074
 587.5,0.786615014076
 588.0,0.780692017078
 588.5,0.774769020081
 589.0,0.768846023083
 589.5,0.762923026085
 590.0,0.757000029087
 590.5,0.750783026218
 591.0,0.74456602335
 591.5,0.738349020481
 592.0,0.732132017612
 592.5,0.725915014744
 593.0,0.719698011875
 593.5,0.713481009007
 594.0,0.707264006138
 594.5,0.701047003269
 595.0,0.694830000401
 595.5,0.688446998596
 596.0,0.682063996792
 596.5,0.675680994987
 597.0,0.669297993183
 597.5,0.662914991379
 598.0,0.656531989574
 598.5,0.65014898777
 599.0,0.643765985966
 599.5,0.637382984161
 600.0,0.630999982357
 600.5,0.624553984404
 601.0,0.61810798645
 601.5,0.611661988497
 602.0,0.605215990543
 602.5,0.59876999259
 603.0,0.592323994637
 603.5,0.585877996683
 604.0,0.57943199873
 604.5,0.572986000776
 605.0,0.566540002823
 605.5,0.560186004639
 606.0,0.553832006454
 606.5,0.54747800827
 607.0,0.541124010086
 607.5,0.534770011902
 608.0,0.528416013718
 608.5,0.522062015533
 609.0,0.515708017349
 609.5,0.509354019165
 610.0,0.503000020981
 610.5,0.496872019768
 611.0,0.490744018555
 611.5,0.484616017342
 612.0,0.478488016129
 612.5,0.472360014915
 613.0,0.466232013702
 613.5,0.460104012489
 614.0,0.453976011276
 614.5,0.447848010063
 615.0,0.44172000885
 615.5,0.435648009181
 616.0,0.429576009512
 616.5,0.423504009843
 617.0,0.417432010174
 617.5,0.411360010505
 618.0,0.405288010836
 618.5,0.399216011167
 619.0,0.393144011497
 619.5,0.387072011828
 620.0,0.381000012159
 620.5,0.3749520123
 621.0,0.368904012442
 621.5,0.362856012583
 622.0,0.356808012724
 622.5,0.350760012865
 623.0,0.344712013006
 623.5,0.338664013147
 624.0,0.332616013288
 624.5,0.32656801343
 625.0,0.320520013571
 625.5,0.314968010783
 626.0,0.309416007996
 626.5,0.303864005208
 627.0,0.29831200242
 627.5,0.292759999633
 628.0,0.287207996845
 628.5,0.281655994058
 629.0,0.27610399127
 629.5,0.270551988482
 630.0,0.264999985695
 630.5,0.260201987624
 631.0,0.255403989553
 631.5,0.250605991483
 632.0,0.245807993412
 632.5,0.241009995341
 633.0,0.236211997271
 633.5,0.2314139992
 634.0,0.226616001129
 634.5,0.221818003058
 635.0,0.217020004988
 635.5,0.212818004191
 636.0,0.208616003394
 636.5,0.204414002597
 637.0,0.200212001801
 637.5,0.196010001004
 638.0,0.191808000207
 638.5,0.18760599941
 639.0,0.183403998613
 639.5,0.179201997817
 640.0,0.17499999702
 640.5,0.171311996877
 641.0,0.167623996735
 641.5,0.163935996592
 642.0,0.160247996449
 642.5,0.156559996307
 643.0,0.152871996164
 643.5,0.149183996022
 644.0,0.145495995879
 644.5,0.141807995737
 645.0,0.138119995594
 645.5,0.135007996112
 646.0,0.13189599663
 646.5,0.128783997148
 647.0,0.125671997666
 647.5,0.122559998184
 648.0,0.119447998703
 648.5,0.116335999221
 649.0,0.113223999739
 649.5,0.110112000257
 650.0,0.107000000775
 650.5,0.104465200752
 651.0,0.101930400729
 651.5,0.0993956007063
 652.0,0.0968608006835
 652.5,0.0943260006607
 653.0,0.0917912006378
 653.5,0.089256400615
 654.0,0.0867216005921
 654.5,0.0841868005693
 655.0,0.0816520005465
 655.5,0.0795868005604
 656.0,0.0775216005743
 656.5,0.0754564005882
 657.0,0.0733912006021
 657.5,0.071326000616
 658.0,0.0692608006299
 658.5,0.0671956006438
 659.0,0.0651304006577
 659.5,0.0630652006716
 660.0,0.0610000006855
 660.5,0.0593327004462
 661.0,0.057665400207
 661.5,0.0559980999678
 662.0,0.0543307997286
 662.5,0.0526634994894
 663.0,0.0509961992502
 663.5,0.049328899011
 664.0,0.0476615987718
 664.5,0.0459942985326
 665.0,0.0443269982934
 665.5,0.0430942986161
 666.0,0.0418615989387
 666.5,0.0406288992614
 667.0,0.039396199584
 667.5,0.0381634999067
 668.0,0.0369308002293
 668.5,0.035698100552
 669.0,0.0344654008746
 669.5,0.0332327011973
 670.0,0.0320000015199
 670.5,0.031145401299
 671.0,0.0302908010781
 671.5,0.0294362008572
 672.0,0.0285816006362
 672.5,0.0277270004153
 673.0,0.0268724001944
 673.5,0.0260177999735
 674.0,0.0251631997526
 674.5,0.0243085995317
 675.0,0.0234539993107
 675.5,0.022808599472
 676.0,0.0221631996334
 676.5,0.0215177997947
 677.0,0.020872399956
 677.5,0.0202270001173
 678.0,0.0195816002786
 678.5,0.0189362004399
 679.0,0.0182908006012
 679.5,0.0176454007626
 680.0,0.0170000009239
 680.5,0.0164872008376
 681.0,0.0159744007513
 681.5,0.015461600665
 682.0,0.0149488005787
 682.5,0.0144360004924
 683.0,0.0139232004061
 683.5,0.0134104003198
 684.0,0.0128976002336
 684.5,0.0123848001473
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Select All Data This is raw data (unnormalized)
wavelength relativeIntensity
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663.0 0.0509961992502
663.5 0.049328899011
664.0 0.0476615987718
664.5 0.0459942985326
665.0 0.0443269982934
665.5 0.0430942986161
666.0 0.0418615989387
666.5 0.0406288992614
667.0 0.039396199584
667.5 0.0381634999067
668.0 0.0369308002293
668.5 0.035698100552
669.0 0.0344654008746
669.5 0.0332327011973
670.0 0.0320000015199
670.5 0.031145401299
671.0 0.0302908010781
671.5 0.0294362008572
672.0 0.0285816006362
672.5 0.0277270004153
673.0 0.0268724001944
673.5 0.0260177999735
674.0 0.0251631997526
674.5 0.0243085995317
675.0 0.0234539993107
675.5 0.022808599472
676.0 0.0221631996334
676.5 0.0215177997947
677.0 0.020872399956
677.5 0.0202270001173
678.0 0.0195816002786
678.5 0.0189362004399
679.0 0.0182908006012
679.5 0.0176454007626
680.0 0.0170000009239
680.5 0.0164872008376
681.0 0.0159744007513
681.5 0.015461600665
682.0 0.0149488005787
682.5 0.0144360004924
683.0 0.0139232004061
683.5 0.0134104003198
684.0 0.0128976002336
684.5 0.0123848001473
685.0 0.011872000061
685.5 0.0115058000199
686.0 0.0111395999789
686.5 0.0107733999379
687.0 0.0104071998969
687.5 0.0100409998558
688.0 0.00967479981482
688.5 0.00930859977379
689.0 0.00894239973277
689.5 0.00857619969174
690.0 0.00820999965072
690.5 0.0079662296921
691.0 0.00772245973349
691.5 0.00747868977487
692.0 0.00723491981626
692.5 0.00699114985764
693.0 0.00674737989902
693.5 0.00650360994041
694.0 0.00625983998179
694.5 0.00601607002318
695.0 0.00577230006456
695.5 0.00560527006164
696.0 0.00543824005872
696.5 0.0052712100558
697.0 0.00510418005288
697.5 0.00493715004995
698.0 0.00477012004703
698.5 0.00460309004411
699.0 0.00443606004119
699.5 0.00426903003827
700.0 0.00410200003535
700.5 0.00398480002768
701.0 0.00386760002002
701.5 0.00375040001236
702.0 0.0036332000047
702.5 0.00351599999703
703.0 0.00339879998937
703.5 0.00328159998171
704.0 0.00316439997405
704.5 0.00304719996639
705.0 0.00292999995872
705.5 0.00284599997103
706.0 0.00276199998334
706.5 0.00267799999565
707.0 0.00259400000796
707.5 0.00251000002027
708.0 0.00242600003257
708.5 0.00234200004488
709.0 0.00225800005719
709.5 0.0021740000695
710.0 0.00209000008181
710.5 0.00202900007134
711.0 0.00196800006088
711.5 0.00190700005041
712.0 0.00184600003995
712.5 0.00178500002949
713.0 0.00172400001902
713.5 0.00166300000856
714.0 0.00160199999809
714.5 0.00154099998763
715.0 0.00147999997716
715.5 0.0014369999757
716.0 0.00139399997424
716.5 0.00135099997278
717.0 0.00130799997132
717.5 0.00126499996986
718.0 0.0012219999684
718.5 0.00117899996694
719.0 0.00113599996548
719.5 0.00109299996402
720.0 0.00104999996256
720.5 0.00101899996516
721.0 0.000987999967765
721.5 0.000956999970367
722.0 0.000925999972969
722.5 0.000894999975571
723.0 0.000863999978174
723.5 0.000832999980776
724.0 0.000801999983378
724.5 0.00077099998598
725.0 0.000739999988582
725.5 0.000717999989865
726.0 0.000695999991149
726.5 0.000673999992432
727.0 0.000651999993715
727.5 0.000629999994999
728.0 0.000607999996282
728.5 0.000585999997566
729.0 0.000563999998849
729.5 0.000542000000132
Spectral Index Value
MSI 0.22
SLI 0.58
IPI 0.38
Percentage of Blue 24.1
Characteristic Value
CCT calculated (K) 4424
CCT from the manufacturer (K) ND
Voltage (V) ND
Power (W)
Luminous Efficacy (Lum/W)

photopic

Acquired by
Measure date: