Geotags can be added to your images so you can record latitude, longitude, altitude and time information.

Correlation between pictures and maps is supported by GPS function in conjunction with ViewNX version 1.2 software (no-charge download) and my Picturetown.

Geotag (image positioning information of pictures such as latitude, longitude [Geodetic System WGS84]) can be added to the image.

GP-1 GPS Unit 3.6 5 21 21
Works Great I have used my GPS-1 on many occasions over the last 12 months. I've used it from forests to the mountains of Yellowstone. I've never had a problem with it syncing up. Yes it takes about 5 minutes if I have moved a fair distance from the last time it was used but that has not been a problem for me. I just turn it on right a way and leave it on until I get the solid green. After that I turn the camera off until I'm about to use it. I have found that it only takes ~5 seconds for it to sync back up. I have not found any errors with the geo-tagging. Over all I have been very happy. I did read all the other bad reviews and I don't know what their situations were but I'm ver happy with mine. May 20, 2013
Amazing accuracy, in such a small item I have owned my GP-1 for only three months. I used it to log where my ancestors graves are located throughout my state and the next one. I also have a Magellan Explorist 100, but the accuracy is off by 50 miles as compared to the GP-1. My other photos do not require it on them, so my usage is limited to this one side for now. November 11, 2012
Wouldn't be without it! I have had the GP-1 attached to my D3 for just over a year now and wouldn't think of being without it. In fact I plan to buy another for the other body. I have traveled all over Australia and most of Western North America with it and find it as dependable as any GPS Equipment out there. I have read all the concerns about battery and slow start up but have never found any of this to be a problem. Having the geo-data with all my shots makes this one very important tool. June 24, 2011
Silent Traveling Companion I've spent the last 12 months driving 28,000 miles in North America from the Arctic to the tip of Florida and both East and West coasts. The whole time the GPS-1 was attached to my camera bouncing around in the center shelf of my truck. Even flying through the off-road 4x4 trails couldn't rattle it. Yea, it's slow to start and eats batteries when left on as I do but it works all the time. It's an essential tool in reviewing where, when and how pictures were taken. Gotta love geotagging for travel photography. Just got a D7000 and works great on it also. June 16, 2011
Its all about location I am an avid outdoors nature photographer and enjoy hiking and carrying my Nikon equipment to capture every detail along the trails. This year I purchased this GP-1 unit to assist me with tagging my location shots. It is easy to use and requires nothing more than attaching it to your camera. Yes - It allows pass through for your shutter release cable which I find useful for my HDR work. Even in heavy wooded areas it locks on a GPS signal within 8 seconds of activation. Lets face it all of us forget things and I find myself guessing sometime where I took a particular photo at - with this unit tagging my photos with GPS data no more guessing. Worth the price, go get yourself one! October 18, 2010
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