Fujifilm X-T4
Response
- red (R)
- green (G)
- blue (B)
Astro mode
Emission-line overlay on the active single-profile plot. Values are the source's own native samples (or a labelled linear interpolation).
About this spectrum4 notes
- Warning: Response scope is unknown; do not interpret this response as a bare-sensor measurement. Dataset interpretation
- Warning: Physical configuration is not documented; the response cannot be assigned to a confirmed optical configuration. Dataset interpretation
- Warning: Normalization is unknown; amplitude comparisons are not established. Dataset interpretation
- Warning: Uncertainty is not documented. Missing uncertainty does not mean zero uncertainty. Dataset interpretation
Source & details
- Source category: measured
- Primary measurement: a direct laboratory observation (or community submission recorded as measured). Not a mirror, not an estimation.
- Type: measured
- Measured response; measurement alone does not establish quality or confidence.
- Origin: Community
- Community provenance; origin does not establish measurement type, quality or confidence.
- Quality: unassessed
- Quality has not been assessed; no grade is inferred. Canonical release: no per-leaf scientific-quality assessment is asserted; the source-side claim is preserved verbatim.
- Confidence: unassessed
- Confidence has not been assessed; no confidence level is inferred. Canonical release: no claim about the per-leaf measurement precision is asserted; the upstream 'as is' wording (where present) is preserved.
- Author
- Weta Digital
- Source
- Academy / Weta RAWtoaces camera JSON bundle (link)
- Source category
measured(primary measurement; not a mirror or estimation)- Methodology
- Weta lightsaber rig (44 records); SciTech legacy (7 records, no equipment named); NPL double monochromator (1 record).
- As-is
- Samples rendered verbatim: no smoothing, no interpolation, no zero-padding, no gap bridging in the browser. Documented null sparse cells render as visible gaps.
- Optical configuration
cfg-prf-academy-rawtoaces-fujifilm-x-t4-e36299929d3d(unknown) — unknown- Normalisation
- unknown (original: unknown)
- Response unit / scale
unknown/unknown- Sample count
- 81 samples from 380–780 nm, Δ 5 nm
- Profile ID
prf-academy-rawtoaces-fujifilm-x-t4-e36299929d3d@1- Profile checksum
sha256:ac0fad505bd2ccb9…- Processing
- source_column=Fujifilm_X-T4_380_780_5.json
- Scientific notes
- Canonical release: native grid and native R/G/B samples are preserved verbatim; sparse cells (wavelengths absent in the upstream CSV / JSON) are preserved as null; the parser never invents a value.
- Citation
- Academy Software Foundation, rawtoaces-data, pinned revision e9b8503cf8a0641f40e5345d9757bde60c15f423, 2025.
- Known limitations
- source_category=measured
- permission_status is 'unknown' on the canonical License record (no independent operational clearance granted).
Compare measurements
Overlay up to 4 measurements on the same chart. Each path uses its native grid; no interpolation, no averaging, no merge.
Graph tools
Inspect, zoom, export, and share the current chart. Native samples only — no interpolation, no averaging.
Channels
Zoom (nm)
Camera specifications
- Sensor type
- X-Trans CMOS 4
- Sensor format
- APS-C
- Sensor size
- 23.8 x 15.6 mm
- Effective megapixels
- 26.1 MP
- Resolution
- 6240 × 4160 px
- Lens mount
- Fujifilm X-mount
- Release year
- 2020
Specification sources
Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.
Source: Wikipedia infobox MediaWiki revision 1325681097 (CC BY-SA 4.0)
Also known as: Fujifilm X T4.
Data details
- Dataset version
recovered-2026-10-01-siril-source-review-v2- Manifest digest
6493790d2d6b6b68…- Manifest schema
0.1.0-draft- Release kind
full- Linked profiles / sessions
- 3 profile revisions
Raw samples (R/G/B at native wavelengths)
prf-academy-rawtoaces-fujifilm-x-t4-e36299929d3d(revision 1)Raw samples for prf-academy-rawtoaces-fujifilm-x-t4-e36299929d3d (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 380 0.0002199380439856139 0.0002538843290986916 0.0003110087447717144 385 0.0004398760879712278 0.0005077686581973832 0.0006220174895434288 390 0.0006598141319568417 0.0007616529872960748 0.0009330262343151433 395 0.0010700497667068148 0.001321019270941851 0.0027854519617612266 400 0.0022414757645142255 0.003102313372775967 0.010803545619904788 405 0.0034129017623216362 0.004883607474610082 0.01882163927804835 410 0.005316457590152317 0.008750209349165443 0.03823394684975505 415 0.010566503405316814 0.021912565459780306 0.10029591112978643 420 0.02083628420148204 0.04901855292448442 0.22633236047230482 425 0.03335549385662899 0.09829230583574518 0.445940100446805 430 0.04587470351177592 0.14756605874700593 0.6655478404213052 435 0.041453132229126034 0.16935763148662217 0.728628379207333 440 0.037031560946476146 0.1911492042262384 0.7917089179933609 445 0.033180823222849466 0.20355068768306123 0.8164026907694305 450 0.029330085499222794 0.21595217113988405 0.8410964635455003 455 0.027639503377224872 0.24884431130853157 0.8468579569816259 460 0.025948921255226954 0.28173645147717913 0.8526194504177513 465 0.028593704774058776 0.3497862069820158 0.8374298070308236 470 0.0312384882928906 0.4178359624868524 0.8222401636438958 475 0.032477966979045356 0.45141637476909297 0.7848844790500388 480 0.0337174456652001 0.48499678705133353 0.747528794456182 485 0.03171741538283915 0.5036200241147828 0.6729456284572817 490 0.03117485786693015 0.5401838801997485 0.6007279683862917 495 0.03281850950069908 0.6036586648169893 0.5320585672071672 500 0.03446216113446801 0.6671334494342299 0.4633891660280426 505 0.04021197220756222 0.751076483817979 0.38628239201777775 510 0.045961783280656435 0.835019518201728 0.3091756180075129 515 0.05912753497324468 0.8897559729308679 0.2544283475741821 520 0.07229328666583293 0.9444924276600077 0.1996810771408512 525 0.07575574482002191 0.9722462138300039 0.16553678692759372 530 0.07921820297421088 1 0.13139249671433623 535 0.07159317413851647 0.9985558819190029 0.10758040612995476 540 0.05657648730956647 0.977646494337344 0.09065644863149061 545 0.04547171003223165 0.9466585250235082 0.07285739027595962 550 0.03436693275489682 0.9156705557096723 0.055058331920428624 555 0.03309929636363706 0.8705088862201458 0.04349131652842007 560 0.031831659972377295 0.8253472167306191 0.031924301136411516 565 0.0382710491277361 0.7634294505734774 0.024563096238226594 570 0.09424119481657156 0.6990206301178884 0.01913884416227876 575 0.22450747530562198 0.6308752282146282 0.016620021319686547 580 0.3547737557946724 0.5627298263113679 0.014101198477094332 585 0.5399584157817597 0.4857323402093279 0.012621766792149124 590 0.6895170366875212 0.4103901825683403 0.011168606994009851 595 0.6965715012679792 0.3416693387715625 0.009820534743094316 600 0.7036259658484372 0.27294849497478474 0.00847246249217878 605 0.6710302776117456 0.22075609727652434 0.007748644445496088 610 0.6384345893750539 0.16856369957826395 0.007024826398813395 615 0.5986074573352062 0.13454077274014165 0.006924453469780758 620 0.5587803252953583 0.10051784590201936 0.00682408054074812 625 0.5215256506263239 0.08713540203316957 0.0073247121647366945 630 0.4842709759572896 0.07375295816431977 0.00782534378872527 635 0.4507794972137977 0.06470771266352007 0.0085310784889488 640 0.41979681575400085 0.05855393274142042 0.00937354857332897 645 0.38822669755657613 0.0532229229132071 0.010417287647577897 650 0.3566565793591514 0.047891913084993784 0.011461026721826821 655 0.32455187573079025 0.045644807529908654 0.012378759937069841 660 0.29244717210242915 0.04339770197482354 0.013296493152312863 665 0.26203264604954274 0.04347553161170115 0.013248821906484347 670 0.2316181199966563 0.04355336124857877 0.013201150660655832 675 0.19282380746460054 0.04218533114049555 0.012014873733450787 680 0.1519345483127524 0.04045583609617214 0.01054394538590161 685 0.10409313985010844 0.03017882549238579 0.007529561739784186 690 0.05625173138746449 0.01990181488859943 0.004515178093666762 695 0.03496279319731588 0.01305433091557842 0.0029029856667356557 700 0.013673855007167267 0.006206846942557406 0.0012907932398045496 705 0.011540650982780608 0.005259893326581081 0.001094377096164603 710 0.00940744695839395 0.004312939710604755 0.0008979609525246566 715 0.007274242934007291 0.0033659860946284297 0.0007015448088847101 720 0.005141038909620632 0.0024190324786521043 0.0005051286652447637 725 0.0030078348852339734 0.001472078862675779 0.00030871252160481733 730 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 735 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 740 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 745 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 750 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 755 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 760 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 765 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 770 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 775 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 780 0.0008746308608473148 0.0005251252466994536 0.0001122963779648708 prf-ie2024-fujifilm-x-t4-ao-occ14(revision 1)Raw samples for prf-ie2024-fujifilm-x-t4-ao-occ14 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 380 0.0176734115 0.0300179494 0.1946210633 385 0.0101588214 0.0171089937 0.0999746564 390 0.0026442312 0.004200038 0.0053282494 395 0.0023153415 0.003141534 0.004444913 400 0.0019864518 0.00208303 0.0035615766 405 0.0022197382 0.0015902952 0.0088567766 410 0.0025935686 0.0012390028 0.0156966107 415 0.0040478694 0.0031311305 0.0417040322 420 0.0055021701 0.0050232582 0.0677114537 425 0.0161061413 0.0241124121 0.2797287884 430 0.0328098928 0.0546662499 0.6157527319 435 0.0331545811 0.0718916966 0.7634479479 440 0.0334992695 0.0891171432 0.9111431638 445 0.0300479282 0.0961091694 0.9465816552 450 0.0272715522 0.1039734089 0.9753789773 455 0.0271950378 0.1153265013 0.9776116222 460 0.0271185233 0.1266795937 0.9798442672 465 0.028181455 0.1562772901 0.9899221336 470 0.0292443867 0.1858749865 1 475 0.0320484974 0.220728401 0.9661335683 480 0.0342491743 0.2520580086 0.9264622503 485 0.0340361158 0.2692923886 0.8635713867 490 0.0338230573 0.2865267686 0.8006805232 495 0.0352042905 0.3273229105 0.7260236015 500 0.0365855237 0.3681190523 0.6513666798 505 0.0392903306 0.4020704474 0.5655229823 510 0.0423260309 0.4343106558 0.4768825908 515 0.0580185872 0.4860385874 0.3714712705 520 0.0718413893 0.5283280041 0.286966986 525 0.0828595603 0.5564596483 0.2338232551 530 0.0938777313 0.5845912925 0.1806795243 535 0.0786979576 0.5883652142 0.1548481128 540 0.0641443457 0.5867570143 0.1298969423 545 0.0520953809 0.5636203277 0.1084667356 550 0.0400464161 0.5404836411 0.0870365289 555 0.0381502887 0.5174440905 0.0674634516 560 0.0362541613 0.4944045399 0.0478903743 565 0.0497469324 0.4566508937 0.0373774744 570 0.0670869282 0.4152187237 0.0291296187 575 0.1915501522 0.3749344349 0.0251374091 580 0.3488355133 0.3368289995 0.0226547065 585 0.5151828694 0.301561389 0.0208403972 590 0.6815302256 0.2662937784 0.0190260879 595 0.7066064234 0.2200383703 0.0167858789 600 0.7316826213 0.1737829621 0.0145456698 605 0.7273362013 0.1322580917 0.012638564 610 0.6788558547 0.0978290279 0.011231113 615 0.6428436968 0.0756351732 0.0105882534 620 0.6151436646 0.0615981245 0.0104551212 625 0.5804457027 0.0536352561 0.0107759955 630 0.5457477408 0.0456723877 0.0110968699 635 0.521955388 0.0418266722 0.0122410631 640 0.4981630353 0.0379809567 0.0133852563 645 0.46074802 0.0342841378 0.0152959365 650 0.4199273391 0.0306245431 0.0173982383 655 0.3783853348 0.0281318002 0.0189338253 660 0.3363624482 0.0264169586 0.0200916023 665 0.2931215042 0.025531619 0.0199746894 670 0.2551820876 0.0246866557 0.0193946654 675 0.2251949623 0.0239022569 0.0181199749 680 0.1846539158 0.0216348732 0.0156503653 685 0.1282819872 0.0171430124 0.0113883772 690 0.0767692639 0.0125896712 0.0074163185 695 0.0446933616 0.0077904083 0.0046039777 700 0.0178919847 0.0037021481 0.0022350754 705 0.0121887097 0.0024578983 0.001639927 710 0.0064854347 0.0012136485 0.0010447787 715 0.0042865506 0.0006855847 0.0010251691 720 0.0030636227 0.0003867797 0.0010991055 725 0.0022401287 0.0002888241 0.0009716867 730 0.0014166346 0.0001908686 0.0008442678 735 0.0013952444 0.0001856668 0.0007696964 740 0.0013433288 0.0001843302 0.0007817419 745 0.0012456252 0.0001887913 0.0009237128 750 0.0011479216 0.0001932523 0.0010656837 755 0.0010816904 0.0001688478 0.001027259 760 — — — 765 — — — 770 — — — 775 — — — 780 — — — 785 — — — 790 — — — 795 — — — 800 — — — 805 — — — 810 — — — 815 — — — 820 — — — 825 — — — 830 — — — 835 — — — 840 — — — 845 — — — 850 — — — 855 — — — 860 — — — 865 — — — 870 — — — 875 — — — 880 — — — 885 — — — 890 — — — 895 — — — 900 — — — 905 — — — 910 — — — 915 — — — 920 — — — 925 — — — 930 — — — 935 — — — 940 — — — 945 — — — 950 — — — 955 — — — 960 — — — 965 — — — 970 — — — 975 — — — 980 — — — 985 — — — 990 — — — 995 — — — 1000 — — — 1005 — — — 1010 — — — 1015 — — — 1020 — — — 1025 — — — 1030 — — — 1035 — — — 1040 — — — 1045 — — — 1050 — — — prf-solomatov-pred-fujifilm-x-t4-66892ed73c6c(revision 1)Raw samples for prf-solomatov-pred-fujifilm-x-t4-66892ed73c6c (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0034672702 0.00468055 0.012569357 410 0.0067890114 0.007990942 0.031279523 420 0.007257078 0.01649408 0.073374145 430 0.000014223439 0.026886297 0.12262436 440 0.002327355 0.03880273 0.15570144 450 0.0081802895 0.04851617 0.17846389 460 0.015785376 0.06184241 0.19655037 470 0.022012355 0.085893944 0.2008473 480 0.030932678 0.11651981 0.19238463 490 0.029470345 0.14719269 0.16762014 500 0.023826748 0.1831766 0.13296945 510 0.017650181 0.22534396 0.09895286 520 0.011423388 0.25461325 0.06765247 530 0.0010836856 0.2642858 0.045436736 540 0.0000034008035 0.26022202 0.033714782 550 0.000026944621 0.2449352 0.024639865 560 0.000007489805 0.2217846 0.019623598 570 0.06331887 0.18567736 0.019426974 580 0.15674503 0.1440307 0.020327138 590 0.2012907 0.106943004 0.014848548 600 0.19489336 0.077622525 0.0059572 610 0.17710693 0.054777287 0.00020054005 620 0.15266378 0.040117446 0.000006719605 630 0.13313514 0.027287096 3.4461567e-7 640 0.11526802 0.016999047 0.0000073480787 650 0.09465995 0.009029727 0.0014778555 660 0.0759759 0.0050070826 0.0019264879 670 0.05284144 0.0012192712 0.0020539009 680 0.03131006 0.00012595762 0.0011336621 690 0.012128174 0.001307646 0.00014359991 700 0.008543108 0.000054219738 0.0002779799