Andy Roddick was ROBBED of a Wimbledon title in 2009 . He won 39 game points to Nadal ' s 38 . Yet Nadal was delcared the winner . <| sep |> I have two of these ! Yeah the color changing RGB is the better option but it ' s also a lot more expensive . Severs hundred dollars more expensive ! So silver with colored filters is a very acceptable option . Skip the color discs though . Get a sample pack of Lee filters or similar . Gives more a TON more options and doesn ' t diminish the light significantly . They are made to filter light without diminishing it much . You can get them here BookDesignersEditionSWB . htmAnd here is a video showing the colors . It ' s made for people who do birthday parties but it helps a little . PLK 8 vcf 7 uWVcSaeCXnE 0 y F j k b Q slsFeXqparamsOAFIAVgDvlHk 5 LTTyFR 4 modeNORMAL