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Basics of Color Grading

Should you raise Bit Depth and Color Space before Color Grading? Part One: 8-bit Video

Want to avoid poor quality web videos? You need to know if it’s worth working in a higher bit depth or color space. Part One deals with 8-bit video.

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How to Find the Right Lenses

How I understand the Focal Length of a Lens (Part One): Perspective

The simplest explanation of what the focal length of a lens really is. Part One simplifies the focal length.

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Stereoscopy Guide

What you need to know before making a 3D Movie (Part One)

What steps can you take to ensure your 3D movie is a success? This article tells you what you need to know. Part One deals with depth.

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Driving Miss Digital

Lights Out

Bob’s cry resounded across the street like an analog alarm clock. The visuals were nothing much to speak of, though. He hadn’t broken anything, only his self-esteem. He picked himself quickly just as the front door opened. The person who stepped out was the size of a bear, with whiskers like a walrus and arms […]

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Driving Miss Digital

The Night Out

Talk about information overload! Bob put down Dr. Optoglass’ notes. It was two in the morning. Dr. Optoglass was right. Now Bob saw things he never noticed before – light, color, tonality, details, depth – it was like his eyes had suddenly developed superpowers. What would Cathy Digital look like with his new eyes? Will […]

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Driving Miss Digital

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 […]

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Driving Miss Digital

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? […]

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Driving Miss Digital

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 […]

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Driving Miss Digital

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 – Christopher Nolan We have all the formulas we need to calculate f-numbers at various ISOs based on lux levels. Here is […]

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Driving Miss Digital

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 exposure is, we are ready to measure it. There are two ways in which to do this: Using an incident light meter […]