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 What is a lighting ballast?

Answer A lighting ballast is a device that is employed in many different types of light bulbs to regulate input power. Currently, there are two types of lighting ballasts.FunctionThe function of a lightin... Read More »
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Top Q&A For: What is a lighting ballast

How to Replace the Ballast in a Fluorescent Lighting Fixture?

All fluorescent light fixtures consist of at least lamp(s), lamp holders, ballast and internal wiring. Some older types have "starters", too. The ballast is used to create the voltage and current n... Read More »
http://www.wikihow.com/Replace-the-Ballast-in-a-Fluorescent-Lighting-Fixture

Any suggestions on affordable lighting ideas for lighting a "green screen" for chroma keying?

try portable halogen work lights...here's a quick search result:http://search.ebay.com/portable-halogen-…
http://answers.yahoo.com//question/index?qid=20061116142719AALAUdG

How many hours lighting is required for long and short day lighting?

The amount of lighting varies by plant type. However, a general rule would be more than 12 hours of darkness for short-day plants, less than 12 hours of darkness for long-day.while the above answer... Read More »
http://wiki.answers.com/Q/How_many_hours_lighting_is_required_for_long_and_short_day_li...

When Should I change/use ISO, D-lighting, Active D-Lighting, WB, etc.?

You really need to enroll in photography classes.You also need to READ & STUDY the Owner's Manual for your camera. The Manual contains all the information you're asking about. It explains ISO, D-li... Read More »
http://answers.yahoo.com//question/index?qid=20091230075657AAibNF0


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