Museum of Obsolete Media on Twitter: "The mini DVD-R was an 8 cm version of the DVD-R that was primarily aimed at the camcorder market from around 2003 to the early 2010s.
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Amazon.com: 50 Pack 3" 8cm Mini Recordable Blank DVD-R Discs Disk for DVD VCR Video Camera 1.4GB/30min 1-8X : Electronics
8cm Blank Mini DVD-R, 1.4GB/30mins, 10 pcs in one packaging,the price is for 10 pcs – Alexnld.com