Betamax is a discontinued consumer analog videocassette recording format developed by Sony. It was one of the main competitors in the videotape format war against its primary rival, VHS. Betamax was i
Three Sony Betamax VCRs built for the American market. Top to bottom: SL-2000 portable with TT-2000 tuner/timer "Base Station" (1982); SL-HF 300 Betamax HiFi unit (1984); SL-HF 360 SuperBeta HiFi unit (1988).
The underside of a Betamax cassette
The early-form Betacam tapes (left) are interchangeable with Betamax (right), though the recordings are not.
The videotape format war was a period of competition or "format war" of incompatible models of consumer-level analog videocassette formats and video cassette recorders in the late 1970s and the 1980s,
Size comparison between a Betamax cassette (top) and a VHS cassette (bottom)