Digital Tape Format (DTF) is a magnetic tape cassette format for data storage, introduced by Sony in 1994.
Two sizes were available, both using ½ inch tape. The L (large) size was based on the larger Betacam cassette form factor, and was initially able to hold 60 GB. A second generation, DTF2, was introduced in 1999, and was able to hold 200 GB.
DTF was given end of life status in 2004, with support until 2011.
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