Case study

Contax N Digital: reconstructing a CCD Parameter Disc

The Contax N Digital CCD Parameter Disc recreator rebuilds a camera-specific calibration disc from newly captured RAW dark and white frames. It derives white balance, defective-pixel and reference-image files, then combines them with colour matrices and tone curves extracted from another N Digital disc. The author reports comparison with a known disc but notes unresolved factory scaling details.

Targets: Firmware
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 0
Last commit: 2026-10-31
Language: Python

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires Python 3.8+, numpy, Pillow, a Contax N Digital, RAW reference captures and a model profile containing values obtained from an N Digital disc.
Prerequisites: Creating an ISO requires an ISO creation tool; burning a physical disc requires a CD-R writer.
Limits: The exact factory scaling of D.TIF and G.TIF remains uncertain; developed images should be checked.
License: CC BY-NC-SA 4.0 license.

Cite

BibTeX

@misc{contax-n-digital-ccd-disc-case,
  title = {{Contax N Digital: reconstructing a CCD Parameter Disc}},
  howpublished = {\url{https://github.com/Oakman-Industries/ccd-disc-recreator}},
  url = {https://github.com/Oakman-Industries/ccd-disc-recreator},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/contax-n-digital-ccd-disc-case/}}
}

Plain text

Contax N Digital: reconstructing a CCD Parameter Disc. https://github.com/Oakman-Industries/ccd-disc-recreator (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/contax-n-digital-ccd-disc-case/

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Primary sources

README.md GitHub · Oakman-Industries/ccd-disc-recreator · Revision abf3a45
LICENSE GitHub · Oakman-Industries/ccd-disc-recreator · Revision abf3a45