Canon EOS-1D X Mark II

Response

Native RGB responsemeasuredCanon EOS-1D X Mark II · RAWtoACES / Weta
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  • 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).

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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-canon-eos-1d-x-mark-ii-719e12a54d7e (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-canon-eos-1d-x-mark-ii-719e12a54d7e@1
Profile checksum
sha256:9d90a1ec6c01b272…
Processing
source_column=Canon_EOS-1D_X_Mark_II_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).

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Channels
Zoom (nm)

Camera specifications

Sensor type
CMOS
Sensor format
full-frame
Sensor size
36 x 24 mm
Effective megapixels
20.2 MP
Resolution
5472 × 3648 px
Lens mount
Canon EF-mount
Release year
2016
Specification sources

Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.

Source: Wikipedia infobox MediaWiki revision 1329427411 (CC BY-SA 4.0)

Also known as: Canon EOS 1D X Mark II.

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
2 profile revisions
Raw samples (R/G/B at native wavelengths)
  1. prf-academy-rawtoaces-canon-eos-1d-x-mark-ii-719e12a54d7e (revision 1)

    Raw samples for prf-academy-rawtoaces-canon-eos-1d-x-mark-ii-719e12a54d7e (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    3800.000194113300817934030.00024427488118207160.00036289911451230217
    3850.000388226601635868060.00048854976236414320.0007257982290246043
    3900.00058233990245380220.00073282464354621490.0010886973435369066
    3950.00087064175698052990.00113706014836142480.0026350165740258893
    4000.00153569782634243320.00218113814770918780.008915016268421595
    4050.00220075389570433640.0032252161470569510.0151950159628173
    4100.0076426651016534870.0172309433460065730.11113288625995668
    4150.0142707624728598370.039021574363649120.2672117614569779
    4200.0226781390919519880.072489561109331070.5135021440038217
    4250.018972570630022750.076870505554247110.5966198192914427
    4300.0152670021680935150.081251449999163140.6797374945790637
    4350.0127303535521536330.10039503137965560.7384549855155593
    4400.0101937049362137540.119538612760148060.7971724764520548
    4450.010092365888911470.127443251189532060.8190306263672068
    4500.0099910268416091850.135347889618916080.8408887762823588
    4550.01110273026971070.15142933008020570.8599401473511241
    4600.0122144336978122110.167510770541495350.8789915184198894
    4650.0172448624270280480.28037707491684210.8669618059590314
    4700.022275291156243880.393243379292188940.8549320934981733
    4750.0288824413179898760.53617759228510510.8390063813309465
    4800.035489591479735870.67911180527802130.8230806691637198
    4850.042464562728623990.79175088203462840.7687331489069225
    4900.0499023711683845850.87652252523230150.710409765174951
    4950.058034435394453890.91949301809157320.6461225862302185
    5000.066166499620523190.96246351095084510.5818354072854858
    5050.079910594206912630.98123175547542260.5083313049198125
    5100.0936546887933020610.4348272025541393
    5150.104470164515435390.99447406060750980.362039581425569
    5200.115285640237568720.98894812121501940.2892519602969988
    5250.125268062466291440.98465035342143590.24218396200044814
    5300.135250484695014130.98035258562785230.19511596370389753
    5350.14864325423290170.96344528224171530.1645422065620241
    5400.16430958864356580.93813162179387610.14496461018993545
    5450.19789478638945650.9194440275540310.12555567729365535
    5500.231479984135347230.90075643331418590.10614674439737526
    5550.257509364059867960.86115382923074010.090607446718186
    5600.28353874398438870.82155122514729460.07506814903899676
    5650.3352844852919140.76778707729697760.06431960963346968
    5700.40462815454617170.71046088558146990.05607997110918521
    5750.5003687157205280.64779162806817630.05160368390676466
    5800.59610927689488420.58512237055488280.04712739670434412
    5850.65148592824094190.50962239701305620.04259970235269494
    5900.6940429662394070.43467988454171820.038037626243884064
    5950.68532155084750230.361967216352334030.03333802310642648
    6000.67660013545559770.28925454816294980.028638419968968893
    6050.63822967380150460.22639039685979430.02444901704073057
    6100.59985921214741140.163526245556638780.020259614112492247
    6150.54483430252725620.122330141481589690.01739386242430244
    6200.48980939290710090.081134037406540590.014528110736112631
    6250.44093191350313830.066409636569018940.013654767604427482
    6300.392054434099175730.051685235731497280.012781424472742334
    6350.35116971551495410.04197261315017970.012432586277635828
    6400.31561350414389280.0356011760729981750.012433418040248417
    6450.277031976105179050.0299991740441871160.01250470633779389
    6500.238450448066465340.024397172015376060.012575994635339363
    6550.208736258624450250.0216860215706987140.012364495232249787
    6600.17902206918243520.0189748711260213640.01215299582916021
    6650.151891977528691880.017549536293465720.011079949707567698
    6700.124761885874948530.0161242014609100820.010006903585975183
    6750.082954838217141180.0117431553781546220.0070004739014787225
    6800.0374785515583177940.0066231814828492040.0035106983262562738
    6850.0223482249405915520.0042126506606770460.0021459648335006294
    6900.0072178983228653160.00180211983850488880.0007812313407449849
    6950.0045532160931462160.00129459348643288410.0005448033929413806
    7000.00188853386342711640.00078706713436087960.0003083754451377763
    7050.00160689782301671110.00068931287963932550.0002696835647213384
    7100.00132526178260630580.00059155862491777150.0002309916843049005
    7150.00104362574219590030.00049380437019621750.00019229980388846263
    7200.0007619897017854950.00039605011547466330.00015360792347202473
    7250.000480353661375089560.000298295860753109270.00011491604305558688
    7300.000198717620964683940.000200541606031555250.000076224162639149
    7350.000198717620964683940.000200541606031555250.000076224162639149
    7400.000198717620964683940.000200541606031555250.000076224162639149
    7450.000198717620964683940.000200541606031555250.000076224162639149
    7500.000198717620964683940.000200541606031555250.000076224162639149
    7550.000198717620964683940.000200541606031555250.000076224162639149
    7600.000198717620964683940.000200541606031555250.000076224162639149
    7650.000198717620964683940.000200541606031555250.000076224162639149
    7700.000198717620964683940.000200541606031555250.000076224162639149
    7750.000198717620964683940.000200541606031555250.000076224162639149
    7800.000198717620964683940.000200541606031555250.000076224162639149
  2. prf-solomatov-pred-canon-eos-1d-x-mark-ii-e6509cf53623 (revision 1)

    Raw samples for prf-solomatov-pred-canon-eos-1d-x-mark-ii-e6509cf53623 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.00278135830.00479955920.011870124
    4100.00549139640.00766598530.030216869
    4200.00518162130.0152477730.072101384
    4300.0000191233010.0235061180.12205154
    4405.7827606e-70.0334967970.15812261
    4500.0000031503150.0425528030.18303749
    4600.00272790850.0570132170.20148057
    4700.00698248060.0850142240.20573813
    4800.0135085240.1186367650.19631505
    4900.0162364840.15154980.17163089
    5000.0176940110.189823540.13519779
    5100.020429280.233108540.09836807
    5200.0225057340.26214520.06423598
    5300.0209870770.2705480.040612794
    5400.0155565230.263235870.031034801
    5500.0160238980.244647860.025058927
    5600.0299050880.2184760.02285515
    5700.088059130.183313370.019194154
    5800.164588210.145697360.014171761
    5900.195315360.107270270.011191275
    6000.185285940.07315380.009132088
    6100.167687850.0473527420.00724978
    6200.143277450.0325122770.0054403474
    6300.120884530.0235911550.002996416
    6400.100296930.0171047580.00041692465
    6500.0789056940.0119130980.00004169969
    6600.05958290.009932890.00002296529
    6700.038354670.00590315650.000020766962
    6800.0213284060.00310216380.000042883163
    6900.0087172930.00251587360.000012023771
    7000.0061742330.0007237760.000016785309