In my last post I explained what flat calibration is and what is required to make it work. In this post I will introduce my solution to the problem, “Ab Light”: The name (in case it isn’t obvious) is a small pun based on my interest in music. “Ab” is read as “A flat”, and this is ‘a flat light’. Ab Light (abbreviated AbL) is based on LED technology, with a light pipe made of a special type of acrylic that is designed to provide even illumination when lit from the edges. I used the same material for the illumination […]