Lunch atop a (Springfield) skyscraper

Lunch atop a (Springfield) skyscraper
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In lighting terms, a gel is a piece of thin, transparent, plasticky material in the color of your choosing. Rosco and LEE are perhaps the best known gel manufacturers, at least in the US. Gels come in large sheets that you cut down to fit your application. One 20"x24" sheet of a given color will probably last a lifetime if you're only using it in your gel ...


A gel filter cut to a circle slightly larger than 39mm in diameter is what the holder is designed to hold. There should be a flap that opens up and lets you insert the filter material. You then close the flap back over the filter material to hold it in place.

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