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.
Amazon.com: Memorex 30 min./1.4 GB Mini DVD-R 20-Pack (Discontinued by Manufacturer) : Electronics
2X Mini DVD- RW Rewritable DVD-RW 1.46GB Blank Discs Empty DVD 8CM 3INCH Re 10pcs/lot _ - AliExpress Mobile
TDK Mini DVD-R
Sealed 8cm Mini DVD Video Disc DVD-RW 2x 1.4 Gb 30 Min - Etsy