Technical essays
The scene-referred workflow - a proposal
A digital photography workflow is introduced that is centered around scene-referred images. In this workflow, images from the camera are first transformed into true-to-reality scene-referred images before they subjected to creative processing steps. For real-world usage, I present instructions for creating scene-referred images in popular RAW converters, and I explain how the tools available from this site fit in.
Sensor formats: does size matter?
Few topics lead to such fanatical discussion amongst gear-minded photographers as their choice of sensor size. In this essay, I investigate the benefits of larger or smaller sensors, and I attempt to derive a set of criteria to determine whether using a larger or smaller sensor size is beneficial for a given style of photography.
Color reproduction in digital photography
Every pixel on a digital sensor is a monochrome device with a linear response. This essay discusses how this signal is transformed into a color signal with a certain tonal range. In the process it touches upon the issue of camera calibration and how this interacts with tonal mapping.