PENTAX K-50

Response

Native RGB responseestimatedPENTAX K 50 · 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-pentax-k-50-0c33222f7420 (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-pentax-k-50-0c33222f7420@1
Profile checksum
sha256:9c690a16312f7ed6…
Processing
source_column=predicted-PENTAX-K-50.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
APS-C
Sensor size
23.7 x 15.7 mm
Effective megapixels
16.3 MP
Resolution
Unknown
Lens mount
Pentax KAF2
Release year
2013
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 ef88b8381775c8c8c812c10cd02790a42dbdf757 Dataset: OpenProductData (unknown); Dataset commit 2f1be1deab50da7869fc5d23f481939803d845bf Dataset: Lensfun (CC BY-SA 3.0)

Also known as: PENTAX K 50.

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-pentax-k-50-0c33222f7420 (revision 1)

    Raw samples for prf-solomatov-pred-pentax-k-50-0c33222f7420 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.00293228780.00473692730.012992802
    4100.00580435940.0079670970.031926032
    4200.00703743940.017534110.07513686
    4300.000268759470.0295045840.1246376
    4400.00322150930.0437406820.15972587
    4500.0080256780.0538097250.18634638
    4600.01365750.066021370.20848387
    4700.0177403480.087401910.21719395
    4800.0245965140.112937510.21118884
    4900.0218389180.141684130.18218587
    5000.0162037650.17781730.14051335
    5100.0108054120.222348270.09683964
    5200.0077673320.253626760.05664352
    5300.000864132130.264444380.02884079
    5400.0000053703770.259827970.017263118
    5500.00000169151340.243964610.010682494
    5600.0042918520.219518150.011464703
    5700.058800460.183856620.012809389
    5800.146198560.143830630.011536029
    5900.19206810.106919450.0088734925
    6000.185782940.0767786350.007864865
    6100.169978950.0529733640.0070683793
    6200.147468640.0386218280.005339742
    6300.12906060.0269537340.0019585656
    6400.111476880.0181997980.0000029482364
    6500.092405650.0117292810.000007633426
    6600.074241610.0081807560.000004431946
    6700.0507331230.0042820980.00000835016
    6800.0301404870.00190761370.000015155193
    6900.0120619190.00171267820.000034095807
    7000.00741795030.000391934740.000008377847