PENTAX K-x
Response
- 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-x-3e8db9e16179(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-x-3e8db9e16179@1- Profile checksum
sha256:256f0d2b2bfc2396…- Processing
- source_column=predicted-PENTAX-K-x.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
- 23.6 x 15.8 mm
- Effective megapixels
- 12.4 MP
- Resolution
- Unknown
- Lens mount
- Pentax KAF2
- Release year
- 2009
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 x.
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)
prf-solomatov-pred-pentax-k-x-3e8db9e16179(revision 1)Raw samples for prf-solomatov-pred-pentax-k-x-3e8db9e16179 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0031672027 0.0048683262 0.012383175 410 0.005784856 0.0079079615 0.03048792 420 0.005531809 0.015910733 0.07197896 430 0.00007695214 0.025555968 0.12240423 440 0.00003484637 0.03675323 0.15674284 450 0.0017923864 0.046143375 0.17816752 460 0.00908693 0.060779054 0.19454542 470 0.016174462 0.08732096 0.19645587 480 0.02690476 0.119595245 0.18478626 490 0.02832761 0.15185858 0.1590178 500 0.025147226 0.18849872 0.12541245 510 0.021087103 0.23098439 0.09318863 520 0.01726023 0.25886345 0.064287774 530 0.008545258 0.26695448 0.043969437 540 0.0000030444842 0.26060042 0.03424387 550 0.000033147884 0.24368471 0.026363976 560 0.008108484 0.21947517 0.022642076 570 0.06544123 0.18629925 0.020259308 580 0.15541938 0.14977315 0.018380865 590 0.20059171 0.11364326 0.013292981 600 0.1943694 0.083145395 0.0072826105 610 0.17610355 0.058695953 0.0030280198 620 0.15199359 0.043108176 0.001888306 630 0.13233301 0.03072404 0.0008662087 640 0.11388909 0.021462245 0.0006994377 650 0.09342021 0.014217826 0.0005103592 660 0.0749282 0.010445618 0.0003381345 670 0.053197306 0.0060144016 0.00015485768 680 0.031145692 0.0031760721 0.000032935823 690 0.012838201 0.001974646 0.000022953369 700 0.008800369 0.0006091291 0.00036457207