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use of gobo with lights


howard b. schwartz

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A gobo is simply anything that goes between the light and the

subject that shapes the light, usually by blocking part or all of

the light path. Commercially the best source is probably those

from MSE <A HREF =http://www.matthewsgrip.com>

www.matthewsgrip.com</A> They have a really fine catalog

where you might just get some ideas as to how to make your

own.

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As Ellis says, they could be anything that changes light. It could be foamcore, mount board (make sure it is a neutral color like white grey or black, each has a different effect) or the formal scrims and gobos that you can buy. The Calumet catalogue is another place.
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we always just use fire retardent spun or make dots and fingers out things like rosco cinefoil or metal screens. What you absolutely need though is plenty of stands and grip accesories like superclamps, articulated arms, pony clamps etc. I recommend just using whatever you can scrape together & your imagination personally...I learned alot of this assisting in big fuirniture studios that used hotlights & lit everything like a motion picture set....every light would be sculpted down with an array of little fingers made out of just tinfoil or cardboard...they used all mole-richardson light etc., but the actual gobos were just cobbled together out of whatever was on hand...as long as it doesn't burn up, you oughta be alright....find a book on motion picture lighting or something like Ross Lowell's "Matters of Light & Depth" for more info....fwiw, don't make the mistake of judging the effect from the lightsource...all that matters is how it looks from the camera position--specifically right at the lens....this is where alot of patience or a second helper comes in handy....good luck.
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I've worked in commercial furniture photography for decades. We are always using gobos, flags, scrims, screens, etc to control lighting for the pieces. I would recommend that you not spend a lot of money on expensive ready-made gobo equipment. Since the gobos will probably need to be customized for each use, you will be much better off using light-weight card stock, styrofoam board, mat boards, background paper, and anything else you can think of. Use clothes pins, gaffer's tape, small clamps, dowel rods, PIC stands, etc to improvise what you need. The ability to customize is extremely important!!!
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