Sony α7 IV

Response

Native RGB responsemeasuredSony ILCE-7M4 · RAWtoACES / Weta
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  • 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-sony-ilce-7m4-f7a8dc024ef9 (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-sony-ilce-7m4-f7a8dc024ef9@1
Profile checksum
sha256:a8b62c18fdb6a211…
Processing
source_column=Sony_ILCE-7M4_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

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Channels
Zoom (nm)

Camera specifications

Sensor type
BSI-CMOS
Sensor format
full-frame
Sensor size
35.9 x 23.9 mm
Effective megapixels
33 MP
Resolution
7008 × 4672 px
Lens mount
Sony E-mount
Release year
2021
Specification sources

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

Source: Wikipedia infobox MediaWiki revision 1359416158 (CC BY-SA 4.0)

Also known as: Sony A7 IV · Sony Alpha 7 IV · Sony ILCE-7M4 · Sony ILCE 7M4.

Data details
Dataset version
recovered-2026-09-29-all-available-with-ie-202404
Manifest digest
8f960e18d6c9dbef…
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-sony-ilce-7m4-f7a8dc024ef9 (revision 1)

    Raw samples for prf-academy-rawtoaces-sony-ilce-7m4-f7a8dc024ef9 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    3800.0005596234111086310.00055989421400767350.0014304801890010763
    3850.0011192468222172620.0011197884280153470.0028609603780021526
    3900.00167887023332589250.00167968264202302070.00429144056700323
    3950.0035694942499939320.0039764959471116490.013927112444114594
    4000.0107841206888996050.0132209856165240930.05638355107366712
    4050.017998747127805280.0224654752859365370.09883998970321965
    4100.044218422650013210.06417586752396890.29690512339057934
    4150.062022942267060830.09889855948186070.46098793265309657
    4200.067204728026367940.12313970101954170.5740972552783502
    4250.061037305460322450.133466490410374870.6188962553832067
    4300.054869882894276950.143793279801208070.6636952554880632
    4350.0506507463852248350.165281853195741370.7249630970736439
    4400.0464316098761727160.18677042659027470.7862309386592247
    4450.042332724415605640.199417764961873080.8108336712860249
    4500.038233838955038570.212065103333471420.8354364039128251
    4550.036265706974285020.24151113675529310.8413799522174373
    4600.0342975749935314840.27095717017711480.8473235005220495
    4650.038203382078098570.34239122544808660.8405071355623306
    4700.0421091891626656640.41382528071905850.8336907706026115
    4750.044079601286612930.45119003140303860.8052769142472953
    4800.04605001341056020.48855478208701880.7768630578919791
    4850.043627648416519120.50528574877986590.7078065277753741
    4900.042719038861631650.53804278716306720.6357713042411705
    4950.044081062465474580.59483893308179950.5592680405805679
    5000.045443086069317510.65163507900053190.4827647769199656
    5050.053219263308542060.74569559178719280.40798717747732755
    5100.060995440547766610.8397561045738540.3332095780346895
    5150.077425907708037740.89905500363111960.27335446946007474
    5200.093856374868308860.95835390268838530.21349936088546007
    5250.098147776308015290.97917695134419270.176219092105487
    5300.1024391777477217210.13893882332551394
    5350.093038777469740920.99688203435579170.11366450818249901
    5400.074510509379968640.97780339251157290.09639416213078951
    5450.058924826542014460.94514995042156360.07741358386992178
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    5800.35319551927258660.489968639434480270.012543697267110018
    5850.493625357628406870.40995542720048470.010629464214915254
    5900.60275352359903320.33291561522840140.008829924603993159
    5950.58667500002888360.26776940430396690.007489158758161738
    6000.57059647645873420.20262319337953240.006148392912330316
    6050.52860556930832630.158409261214060880.005434260141692133
    6100.486614662157918430.114195329048589380.004720127371053949
    6150.43106577079340.086863906702362380.00434270296497022
    6200.37551687942888170.059532484356135380.003965278558886492
    6250.331218802996536940.049142966502818820.004031320260072855
    6300.286920726564192260.038753448649502250.004097361961259218
    6350.2514483443274440.031804104103349740.004268713311735707
    6400.221859758221093380.0271482084286399150.004510271095072279
    6450.19283373136045120.0232232716723706140.004851348465862882
    6500.163807704499809050.0192983349161013130.005192425836653487
    6550.13659223283074070.0168807928756693480.0051377587391626236
    6600.109376761161672330.014463250835237380.0050830916416717605
    6650.093855330385519310.0136958569775412280.004786084989053155
    6700.078333899609366280.0129284631198450780.004489078336434549
    6750.0586076870662661440.010894099542655070.003624113391155373
    6800.037830279081429240.00854299353559160.0026171588727110537
    6850.0227317988181338880.0054854387386609150.0016306914755515216
    6900.00763331855483853450.00242788394173023030.0006442240783919894
    6950.0050002783778506110.0017876920606207460.00046979485462845947
    7000.002367238200862690.00114750017951126160.0002953656308649296
    7050.00198652455610225450.00098328405739293940.00025629024483479204
    7100.00160581091134181910.00081906793527461710.00021721485880465453
    7150.00122509726658138360.00065485181315629480.000178139472774517
    7200.00084438362182094810.00049063569103797260.00013906408674437944
    7250.00046366997706051280.00032641956891965030.00009998870071424193
    7300.000082956332300077110.000162203446801327980.00006091331468410441
    7350.000082956332300077110.000162203446801327980.00006091331468410441
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    7650.000082956332300077110.000162203446801327980.00006091331468410441
    7700.000082956332300077110.000162203446801327980.00006091331468410441
    7750.000082956332300077110.000162203446801327980.00006091331468410441
    7800.000082956332300077110.000162203446801327980.00006091331468410441
  2. prf-solomatov-pred-sony-ilce-7m4-5de0998c1ee7 (revision 1)

    Raw samples for prf-solomatov-pred-sony-ilce-7m4-5de0998c1ee7 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.0020209930.0044377640.012978547
    4100.00440314740.0067865330.032070402
    4200.0072566780.0135710030.07612605
    4300.0057053960.0223404170.12672317
    4400.0128016820.0300867220.1657601
    4500.016780530.0357752140.19636035
    4600.018695460.049688630.2208018
    4700.0184719560.077686360.2314355
    4800.0193094420.110942530.22804186
    4900.0184346290.14636520.19902304
    5000.016647990.189464350.15562266
    5100.0164243860.23836190.1085643
    5200.0183508840.269676630.06638385
    5300.0194876960.279626250.035301052
    5400.0184571370.27109950.022027457
    5500.0208021740.251059650.012013897
    5600.0293460820.22210910.008633449
    5700.061592340.182412060.008625897
    5800.1149864940.137474490.011125792
    5900.150756330.096899950.007867533
    6000.148615450.065519090.0000608047
    6100.137851010.042506250.0000060315997
    6200.120099960.0298549920.000009024541
    6300.1052568850.0197519230.0000036686677
    6400.088859020.0113695170.000007362495
    6500.074464240.00529220560.0020165462
    6600.058878350.00274537320.0035984395
    6700.0410244840.0000234523850.0032527065
    6800.0249133720.00000361190450.0011835649
    6900.0104628970.000740471350.00036083726
    7000.0075207480.000045084230.00082880113