Notes by Dr. Optoglass: Color Bit Depth, Middle Grey and White Balance of the Human Eye

Topics Covered: Color Bit Depth Middle Grey Whiteness and White Balance Colors, like features, follow the changes of the emotions – Pablo Picasso We have already seen that the color space of the eye, as defined by the CIE 1931 XYZ color space, estimates about 10 million colors for our vision. The word size required […]

Notes by Dr. Optoglass: Dynamic Range of the Human Eye

Topics Covered: Contrast Ratio Static and Dynamic Range The Dynamic Range of the Human Eye Contrast Sensitivity By painting colors and lines and forms seen in quickened mood I was seeking to make this mood vibrate as a phonograph does – Edvard Munch The following image has two objects – can you see them? No? […]

Notes by Dr. Optoglass: Sensitivity and ISO of the Human Eye

Topics Covered: Sensitivity ISO The ISO Range of the Human Eye Photography to the amateur is recreation, to the professional it is work, and hard work too, no matter how pleasurable it my be – Edward Weston A camera sensor (or film) is like a sponge: It has the ability to soak in light. How […]