Video recording

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Home pornography was born around 1979, with the commercial launch of the home video recorder, which used cartridges of 1/2" tape in two formats, the triumphant VHS (Video Home System), and the technically superior Beta, used only by the brand Sony, 2 inch and 3/4 inch video recorders are earlier, but they were too expensive for home use and a content industry in those formats never arose, The videodisc (12" discs) was popular in the 1990s, and for a few years it was routine for major mainstream studios to release movies in that format if they were released in VHS.

8 milimeter film was used on a small scale for porn. It required in most cases that the pornographer set up his own film developing facility, as sending it to a commercial lab would mean sure incarceration.