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 ... Read more →
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 ... Read more →
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 - ... Read more →
Notes by Dr. Optoglass: The F-numbers of the Eye
Topics Covered: Typical F-numbers for various scenarios How to find f-stop T-stop The F-numbers of the Eye If I could steal someone's dream myself, I'd have to go for one of Orson Welles - ... Read more →
Notes by Dr. Optoglass: How to Read Light for Exposure
Topics Covered: Light meter - Incident and Reflective Lux, EV and Common Scenarios The Inverse Square Law Art is never finished, only abandoned - Leonardo da Vinci Now that we know what an ... Read more →
Notes by Dr. Optoglass: Camera Exposure
Topics Covered: Exposure and Camera Exposure Exposure Value (EV) and Stops F-number and Shutter speeds Look and think before opening the shutter. The heart and mind are the true lens of the ... Read more →
Notes by Dr. Optoglass: The Units of Photometry – Part II
Topics Covered: Nits and Lux Footcandles and footlamberts Typical light levels for various scenarios Actually, I'm not all that interested in the subject of photography. Once the picture is in ... Read more →
Notes by Dr. Optoglass: The Units of Photometry – Part I
Topics Covered: Joules and Watts Lumens and Candelas Lumens per Watt Counting Photons A beautiful thing never gives so much pain as does failing to hear and see it - Michelangelo Let's start ... Read more →
Notes by Dr. Optoglass: How to Measure Light
Topics Covered: How Light Works Radiometry vs Photometry What is Brightness Light makes photography. Embrace light. Admire it. Love it. But above all, know light. Know it for all you are worth, ... Read more →