JVC GZ-MG750 80GB Internal Hard Disk Drive up to 100 hours of recording and 19 hours of the best quality recording (ULTRA FINE).
      Sony DCR-SR68 80GB Internal Hard Disk Drive up to 61 hours in LP mode and professional quality Carl Zeiss Vario-Tessar lens.

Specification JVC GZ-MG750 Sony DCR-SR68
Sensor size 1/6-inch 1/8-inch
Sensor Type CCD Advanced HAD CCD
Optical Zoom 39x 60x
Digital Zoom 800x 2000x
Lens 2.2 - 85.8 mm 1.8 - 108 mm
Lens Manufacturer Konica Minolta Carl Zeiss
Aperture F1.8-4.2 F1.8-6.0
Internal Hard Disk Drive 80GB 80GB
Image Stabilization Electronic Electronic (Steady Shot)
Analog Video Format NTSC NTSC
Digital Video Format MPEG-2 MPEG-2
White Balance Custom , Presets , Automatic Custom , Presets , Automatic
LCD 2.7-inch TFT LCD (123,000 dots) 2.7-inch TFT LCD (230,400 dots)
Audio Dolby Digital 2 channel (AC-3) Dolby Digital 2 channel (AC-3)
Recording Media microSD, microSDHC Memory Card SD,SDHC, SDXC Memory Card, Memory Stick PRO Duo
Connections 1 USB
1 Composite video/audio output
1 USB
1 Composite video/audio output
1 S-Video output
Battery JVC BN-VG114 Sony NP-FV30
Dimensions 2.5 x 2.1 x 4.3 inches 2.6 x 2.2 x 4.2 inches
Weight 8.8 ounces 9.9 ounces