Details: Sunpak¿s Fluorescent Light Balance Filter Balances daylight-type films for use under many types of fluorescent, and non-continuous spectrum light sources. Eliminates or reduces unpleasant green tones. Sunpak is one of the world s largest manufacturers of electronic flash equipment. It has earned a reputation for advanced technical achievement and superior quality. Sunpak electronic flashes are produced for professionals, advanced amateurs, enthusiasts, and casual photographers. They are designed to work with today s auto focus cameras having dedicated flash capabilities. All Sunpak flash units offer advanced features, which provide the widest range of creative control. They are supported by a wide spectrum of system accessories, such as dedicated modules, filters, adapters, batteries and more.