lux | wolfcrow
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Lighting Basics

How to put together a Lighting Kit for Low Budget Filmmaking

Film lighting is intimidating. Let me simplify it for you so you can achieve impressive results for less.

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Review of Light Fixtures

Yongnuo YN-900 Bi-color LED Light Panel Review

A comprehensive review of the Yongnuo YN-900 Bi-color LED Light Panel – is it really that good?

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Lighting Basics

A Comparison of the Specifications of Four Light Meters

Which is the most future-proof light meter? A comparison of the features of four light meters.

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MEM Cinematography Jargon Explained

What is the Difference between Exposure Latitude and Dynamic Range?

The simplest explanation of the difference between exposure latitude of a camera and its dynamic range.

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MEM 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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MEM 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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MEM 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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MEM 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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MEM 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 […]

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MEM Driving Miss Digital

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 camera – Yousuf Karsh This is how a camera works: The sensor is a jar that can take in light till a certain […]