This is the second part of the “PONF” series. For those that are not familiar, I am the CTO on the PONF (Photography On Film) Project. This project is the first dual back camera: digital and analog.

The three-transistor design or 3T Pixel is the simplest CMOS pixel architecture (Figure 1). One transistor is used to reset or precharge the photodiode while two more are used for video readout: one ...

Technology can be confounding. For the most part, we understand it only on the peripheries. The rare exception seems to be photography. In high school, plenty of students learn the basics of a film ...