Sony α7R IV

Response

Native RGB responsemeasuredSony ILCE-7RM4 · 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-7rm4-2e2efe8ca7b9 (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-7rm4-2e2efe8ca7b9@1
Profile checksum
sha256:42b7cd3d5bce93b1…
Processing
source_column=Sony_ILCE-7RM4_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
BSI-CMOS
Sensor format
full-frame
Sensor size
35.7 x 23.8 mm
Effective megapixels
61 MP
Resolution
9504 × 6336 px
Lens mount
Sony E-mount
Release year
2019
Specification sources

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

Source: Wikipedia infobox MediaWiki revision 1325676681 (CC BY-SA 4.0)

Also known as: Sony A7R IV · Sony Alpha 7R IV · Sony ILCE-7RM4 · Sony ILCE 7RM4.

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-7rm4-2e2efe8ca7b9 (revision 1)

    Raw samples for prf-academy-rawtoaces-sony-ilce-7rm4-2e2efe8ca7b9 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    3800.00108238663491870280.00099607076164619530.0027734743874576256
    3850.00216477326983740550.00199214152329239050.005546948774915251
    3900.00324715990475610850.0029882122849385860.008320423162372878
    3950.0052981065231148280.0055075855479632450.01887340595147718
    4000.0112232930752336150.0141201688165017630.06054442234716819
    4050.01714847962735240.022732752085040280.10221543874285921
    4100.0397395280865623440.0621385167903486040.2925728667706052
    4150.054876829694625480.09506186915919370.4510752728180988
    4200.0588335110259684060.118261603023343830.5617951458952141
    4250.052708813650032070.127816627374557820.6008020827938882
    4300.046584116274095730.137371651725771820.6398090196925625
    4350.042760917857713620.159261636164724520.7028720407558682
    4400.0389377194413315160.18115162060367730.7659350618191738
    4450.035680468540198440.196409882861637820.7958981532938383
    4500.032423217639065370.211668145119598420.8258612447685028
    4550.0307711670393423580.24432799584721520.8360806279237488
    4600.029119116439619340.2769878465748320.8463000110789948
    4650.032191578452765610.346461373866960850.8351966417606512
    4700.0352640404659118750.415934901159089650.8240932724423078
    4750.0375849471737417160.4598305481356590.8059405676543656
    4800.039905853881571560.50372619511222830.7877878628664234
    4850.037518138279050050.51616302426214830.7067650515807514
    4900.0367026017803783540.54780617763066140.6283766240748715
    4950.038245333937481380.60825881732706410.5539397722386799
    5000.03978806609458440.66871145702346660.47950292040248815
    5050.046643382233055440.75779496511453590.40339660159449325
    5100.053498698371526480.84687847320560530.32729028278649835
    5150.068925883120741220.91248332577741720.26937824879012706
    5200.084353067869955930.97808817834922890.21146621479375588
    5250.087914628175628690.98904408917461440.17322310878027392
    5300.0914761884813014410.13498000276679198
    5350.083282570213787420.99633382235939140.10995054653277919
    5400.067252166230815560.98291958574145340.0937301901517458
    5450.0537371178660195140.955043977893120.07625317604550004
    5500.0402220695012234650.92716837004478660.05877616193925427
    5550.037456066776763860.87226535478310650.0464411265387596
    5600.034690064052304240.81736233952142650.03410609113826492
    5650.0389298696175557140.73821165960244320.026007548042396727
    5700.088647552868060030.66013385336291890.019958893333107554
    5750.206582052646443660.5836653576425830.016985071203686898
    5800.32451655242482730.5071968619222470.01401124907426625
    5850.48498617827252840.42781060347801120.012060573567954428
    5900.61002040483070330.350836098781616260.010218610487187068
    5950.59331303423077420.2835086090765850.008811497108597563
    6000.5766056636308450.21618111937155370.007404383730008055
    6050.53100447397030390.16974256163772050.006535597369864201
    6100.485403284309762930.123304003903887240.005666811009720346
    6150.42520031559206030.093620780033983910.0049895052105819225
    6200.36499734687435770.063937556164080580.004312199411443498
    6250.32180479942831820.052737645284119480.004294110449258722
    6300.27861225198227870.041537734404158370.004276021487073946
    6350.246372555018506630.034378746992431080.00438899256980901
    6400.221434758376246180.029913708559526330.0045893370158239695
    6450.190267872101276630.0255468386690675680.004793125917870721
    6500.159100985826307050.02117996877860880.0049969148199174715
    6550.130432802148909230.0180714301684027430.004849637697122213
    6600.101764618471511390.0149628915581966820.004702360574326952
    6650.088398983791056730.0143171061655079470.004508749437915608
    6700.075033349110602080.013671320772819210.004315138301504263
    6750.056397939492309150.011584257424907930.0035429579144933055
    6800.036445086139556630.0091368745881910110.0026261352148324456
    6850.020217144406027770.0052753505337707550.0015033782642295693
    6900.0039892026724989060.00141382647935049660.0003806213136266929
    6950.0024897704786392230.0010255663112882260.00028450418090379556
    7000.00099033828477953970.00063730614322595550.0001883870481808981
    7050.00084378926157306070.00056045251785151960.00016730766722909985
    7100.00069724023836658150.00048359889247708380.0001462282862773016
    7150.00055069121516010220.00040674526710264790.00012514890532550331
    7200.00040414219195362310.0003298916417282120.00010406952437370502
    7250.000257593168747143830.00025303801635377610.00008299014342190673
    7300.000111044145540664630.000176184390979340230.00006191076247010846
    7350.000111044145540664630.000176184390979340230.00006191076247010846
    7400.000111044145540664630.000176184390979340230.00006191076247010846
    7450.000111044145540664630.000176184390979340230.00006191076247010846
    7500.000111044145540664630.000176184390979340230.00006191076247010846
    7550.000111044145540664630.000176184390979340230.00006191076247010846
    7600.000111044145540664630.000176184390979340230.00006191076247010846
    7650.000111044145540664630.000176184390979340230.00006191076247010846
    7700.000111044145540664630.000176184390979340230.00006191076247010846
    7750.000111044145540664630.000176184390979340230.00006191076247010846
    7800.000111044145540664630.000176184390979340230.00006191076247010846
  2. prf-solomatov-pred-sony-ilce-7rm4-f79a6ff4ffb2 (revision 1)

    Raw samples for prf-solomatov-pred-sony-ilce-7rm4-f79a6ff4ffb2 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.0034207350.00498877650.012631549
    4100.00607440670.0080508540.031526905
    4200.0070113380.0160220320.074076034
    4300.00025202830.0269229320.12206491
    4400.00243079990.038558420.15614529
    4500.00778998760.047935720.18323572
    4600.0141692060.0608757920.20390877
    4700.0206254240.084973990.21239577
    4800.0290400810.1149314050.207811
    4900.02850750.146621170.18379389
    5000.0238281060.184129150.14480546
    5100.0184000730.22886570.103311904
    5200.0126048620.25912360.06500332
    5300.0039047240.27055910.035754535
    5400.0000138330870.26541840.021318
    5500.0000095549220.249641520.010507898
    5600.0080821840.224071260.007332892
    5700.064775970.185669630.011303038
    5800.144409370.14217140.017074386
    5900.185725580.103303090.0142406635
    6000.18178220.072773570.0069686356
    6100.164403110.0500721150.0011734942
    6200.140763520.0362777230.000045198787
    6300.121550450.0242896550.000006817014
    6400.1033477560.0146126960.0027116272
    6500.084310390.00711258450.0042280545
    6600.066101860.00368396870.005333768
    6700.045498010.00052861240.004427537
    6800.026247630.0000175136410.0028840036
    6900.010509520.00113840670.00076558924
    7000.0076012080.00000244166560.0014543899