Betamax+&+Betacam

**Betamax & Betacam**- the first home videocassette record/playback tape format, created by Sony and using half-inch wide magnetic tape, now obsoletel; is a family of half-inch professional videotape products developed by Sony from 1982 onwards.(Dictionary.com) ([])
 * Betamax:**

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 * Betacam:**