Nikon is continuing to embrace geotagging with its latest accessory, the GP-1 GPS receiver. Geotagging is a new photography trend where you digitally record position information at the time you take a photograph. It's the next logical step after time-stamping photos; instead of just sorting your pics by when they were taken, you can use an online photo gallery with map support and sort based on where they were taken.

Nikon's COOLPIX P6000 already has built-in support for the technology, but the GP-1 lets you add it on as an option to one of several D-series cameras. These are pretty high-end models, definitely in the prosumer range with their $1000+ price tags, but if you have a compatible camera body, you can plug the GP-1 into your camera's hot shoe. When in place, the geotagger records latitude, longitude, altitude, and time information, saved along with each picture to your memory card. The device looks simple to use — there's just an LED indicator to let you know if the GPS signal is missing, weak, or strong. The GP-1 costs $240, which is higher than some other third-party geotaggers for Nikon cameras, available for around $150.

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