Betacam's a family of half-inch professional videotape products developed by Sony from 1982 onwards. In colloquial use, "Betacam" singly's often used to refer to a Betacam camcorder, a Betacam tape, a Betacam video recorder or the format itself. All Betacam variants from (plain) Betacam to Betacam SP and Digital Betacam, use the same shape cassettes, meaning vaults and other storage facilities don't have to be changed when upgrading to a new format. The cassettes come in two sizes: S and L. Bet… (More on Betacam)