Summary: A compact GPS data logger for tagging image and video files with location information.Sony's GPS-CS3KA data logger replaces the CS1 unit and is offered as an accessory for the company's Cyber-shot cameras. However, it also works well with Alpha DSLRs and can be used with cameras from other manufacturers - as long as they record to SD, SDHC or Memory Stick Duo cards. . .
Pros: You want a GPS data logger that is easy to use and works effectively in outdoor locations., You are prepared to keep updating the local time zones on both camera and GPS logger as you travel.
Cons: You want to track journeys that will be made mostly in a plane, car or train, unless you have the opportunity to take periodic readings from satellites to obtain positional information., You require better than one-metre positional accuracy., You require a longer continuous battery life than approximately 15 hours.