Sony introduced the Betamax home video recorder in 1975.
Sony launched the SL-5000 in Japan in 1975, giving consumers a way to record television programs and replay them at home. Betamax used half-inch magnetic tape housed in a cassette and was initially praised for picture quality and compact equipment. The format later reached North America and became a major part of the early home-video market.
Betamax is best known for losing the format war to JVC’s VHS system, which became more widely adopted. The outcome was influenced by factors including recording time, licensing, hardware availability, and rental-store support, not simply by picture quality. Sony continued to develop Betamax for many years, and the format remained important in professional and broadcast applications even after VHS dominated consumer sales. The name is often written “Betamax,” while the logo commonly appears as “βetamax.”