HDR: Part 4 - Surviving Modern Colorimetry June 29th 2022 - 09:55 AM

Most people are aware that any color can be mixed from red, green and blue light, and we make color pictures out of red, green and blue images. The relationship between modern color imaging and the human visual system was recently discussed by John Watkinson in his series on color.

The State Of Film June 17th 2022 - 09:00 AM

On one hand, film might seem dead. On the other, the last few months have seen a flurry of activity which is emblematic of a wider interest in the field that’s continued ever since the technology fell out of mainstream use. It’s been suggested that photochemical origination is set

HDR: Part 3 - Grading June 16th 2022 - 09:30 AM

Almost since photography has existed, people have pursued ways of modifying the picture after it’s been shot. The “dodge” and “burn” tools in Photoshop are widely understood as ways to make things brighter or darker, but it’s probably less widely understood that they refer to techniques for exposure control tha

HDR: Part 2 - Brightness Encoding May 27th 2022 - 01:00 PM

Dealing with brightness in camera systems sounds simple. Increase the light going into the lens; increase the signal level coming out of the camera, and in turn increase the amount of light coming out of the display. In reality, it’s always been more complicated than that. Camera, display and p