DVD Video Test Disc DVD Audio Test Disc DVD-ROM Test Disc DVD-Video Special Test Disc DVD-RW Test Disc Prerecorded DVD-RW Test Disc Prerecorded DVD-R Test Disc CD Test Disc CD-R/RW Test Disc Digital Video Test Tape Analog Video Test Tape Audio Cassette Test Tape Others Contact us Japanese   Prerecorded DVD-R Test Disc Prerecorded DVD-R Test Disc for Production Model Type/Purpose Main features V-252R Standard Prerecorded Standard Disc V-252E1R Eccentric Disc 0 +10/-0µm, Normal Disc V-252E2R 50µm ±10µm, Normal Disc V-252E3R 100µm ±10µm, Normal Disc V-252E4R 150µm ±10µm, Normal Disc V-252E5R 200µm ±10µm, Normal Disc V-252D3R Defect Disc Black Dots & Fingerprints, Normal Disc (Diameter=0.4/0.8/1.2/1.5/2.0mm)(D=65/75µm) V-252V1R Vertical Deviation 0.4mm(±0.2mm) ±0.05mm, Normal Disc V-252V2R 0.6mm(±0.3mm) ±0.05mm, Normal Disc V-252V04R 0.8mm(±0.4mm) ±0.05mm, Normal Disc V-252V3R 1.0mm(±0.5mm) ±0.05mm, Normal Disc *Please contact us for details.