Relationship between Diffusion, Softening and Distance

I came across this interesting article by Ed Moore and Stephen Murphy, where they tested a lot of different lighting diffusion materials. I recommend checking it out: Here is the stills version and the video version.

Some selects from that post:

Half soft frost diffusion

Half soft frost, one of my favorite diffusions because it's most efficient, getting you the most softening for the least loss of output available. Not surprisingly,  that's what I use as the front face in Airbox Inflatable Softboxes.

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LED panel comparison: color charts, vectorscopes, light loss

People ask me all the time, "what LED panels do you recommend?" "What's the color like on that panel?"and ""Does putting an Airbox Softbox on the light affect the color?", so I decided to do some testing, as scientifically as possible.  What you're looking at is footage shot of the DSC labs OneShot chart, where each of the color patches is carefully calibrated to match up to the six points on a vectorscope, as well as four skin tone patches that line up with the "skin tone" line on a scope.  A perfect light source and a perfect camera would land each of the dots right on the vectorscope targets.

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