Canon EOS 550D

Response

Native RGB responseestimatedCanon EOS 550D · Solomatov GT collection
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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 spectrum5 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: Estimated response; not a primary measurement. Sources and attribution
  • 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: estimated
Estimated response: not a primary measurement (e.g. diffraction-grating closed-form recovery, model prediction). Independent of profile_type and quality/confidence grades.
Type: estimated
Estimated response, not a direct measurement; quality and confidence are assessed separately.
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
Solomatov
Source
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' (link)
Source category
estimated (estimated response; not a primary measurement)
Methodology
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' — model output.
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-solomatov-pred-canon-eos-550d-378efa75b678 (unknown) — unknown
Normalisation
unknown (original: unknown)
Response unit / scale
unknown / unknown
Sample count
31 samples from 400–700 nm, Δ 10 nm
Profile ID
prf-solomatov-pred-canon-eos-550d-378efa75b678@1
Profile checksum
sha256:06bef110ae17a659…
Processing
source_column=predicted-Canon-EOS-550D.csv
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
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera', data/predictions/.
Known limitations
  • source_category=estimated
  • permission_status is 'unknown' on the canonical License record (no independent operational clearance granted).

Graph tools

Inspect, zoom, export, and share the current chart. Native samples only — no interpolation, no averaging.

Channels
Zoom (nm)

Camera specifications

Sensor type
CMOS
Sensor format
Unknown
Sensor size
22.3 x 14.9 mm
Effective megapixels
18 MP
Resolution
Unknown
Lens mount
Canon EF-S
Release year
2010
Specification sources

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

Source: Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown); Dataset commit 2f1be1deab50da7869fc5d23f481939803d845bf Dataset: Lensfun (CC BY-SA 3.0)

Also known as: Canon EOS Kiss X4 · Canon EOS REBEL T2i.

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
1 profile revision
Raw samples (R/G/B at native wavelengths)
  1. prf-solomatov-pred-canon-eos-550d-378efa75b678 (revision 1)

    Raw samples for prf-solomatov-pred-canon-eos-550d-378efa75b678 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.00293121370.00501843870.014330643
    4100.0045655140.0079663740.036161046
    4200.0036581430.0173469240.081547536
    4300.000194576930.0318120160.12834089
    4400.0000033004330.0478783620.1650245
    4500.000017639130.05771050.19637756
    4600.000391131180.0704846160.21908171
    4700.0064501520.0926587360.22283755
    4800.015481140.12000830.21069042
    4900.0175178050.152405410.16985042
    5000.0165549870.189877320.123223186
    5100.0154572030.23367870.0787052
    5200.0155610060.261227670.04373741
    5300.0144316840.267252920.021948371
    5400.0125628930.258300220.016176937
    5500.0145677150.239053460.013648022
    5600.0280616710.213690850.015658787
    5700.071718450.181672440.015973449
    5800.134430860.147465360.014134605
    5900.173171090.112837650.012438386
    6000.171629180.082896920.012055335
    6100.158457320.059572150.011084648
    6200.138389930.0450430850.010056698
    6300.12276990.0330353750.0072528836
    6400.105883550.0236838870.004674349
    6500.089051760.01564510.0021592882
    6600.07240290.0119943390.001227148
    6700.0511263650.00732979920.0004515533
    6800.0317580660.0043538640.00020591725
    6900.01404515750.00261747020.00034121532
    7000.0091149440.00198039020.00043461673