Panasonic SDR-S50 Enhanced Optical 78x Zoom and Advanced O.I.S. (Optical Image Stabilization) and Samsung SMX-F40 65x Intelli-Zoom/52x Optical Zoom.

Specification Panasonic SDR-S50 Samsung SMX-F40
Sensor size 1/8-inch 1/6-inch
Sensor Type CCD CCD
Optical Zoom 70x 52x
Digital Zoom 3500X 2200X
Lens 1.5 - 104mm 2.1 - 109mm
Aperture F1.9-5.7 F1.8
Digital Video Format H.264, MPEG-2, AVC H.264, MPEG-4
LCD 2.7-inch Wide LCD (123,200 dots) 2.7-inch Wide LCD (230,000 dots)
Recording Media SD, SDHC, SDXC Memory Card SD, SDHC Memory Card
Connections 1 USB
1 AV-out
1 USB
1 Composite video/audio output
Battery 895 mAh/Lithium-ion 2100 mAh/Lithium-ion
Dimensions 2.5 x 2.2 x 4.2 inches 2.5 x 2.4 x 4.4 inches