Dean_Collins_Exposure_Chart
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A recreation of Dean Collins Exposure Compensation Chart for creating color backgrounds with lights and filters.
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RustySterling posted on December 31, 2009
For example your subject diffuse value is metered for F11. You put a blue gel on the background light placed behind the key light but aimed at the background. To get a middle blue you would set it up for a reflective meter reading of F11. If you wanted a slightly darker blue, you would meter the background for F8. If you wanted really dark you would meter the background for F5.6. Go the other way for brighter backgrounds.
RustySterling posted on December 31, 2009
I posted this to link to a dPS Forum thread. LOL. I'm not surprised. It puzzled me at first. It is for compensation from subject diffuse to background light. It was presented by Dean Collins for adding color to white or black backgrounds.
cherylmcdonald posted on December 31, 2009
hmmm I have no clue what to do with this, but I shall have to look into it!