Aokatec released new AK-G GPS units for Nikon DSLR cameras (compatible also with the Coolpix P7700). The different models are currently available on Amazon for $80. For comparison, the Nikon’s GP-1 GPS unit costs $194.95 (the GP-1A version for the D600 costs $312).
More info on the Aokatec GPS units:
The Aokatec AK-G GPS receiver allows you to “geotag” your images with valuable information such as latitude, longitude, altitude, heading and time information. For those who are on the go such as outdoor photographers, nature shooters, climbers, sports enthusiasts, news hounds, surveillance people, real estate agents and many more, this item provides a valuable way to accurately document when and where you shot a specific photo.
Compatibility:
- Aokatec AK-G1 for Nikon D4, D800,D800E, D200, D300, D300s, D700, D2X, D2Xs, D2Hs, D3, D3X, D3s, & Fujifilm S5Pro
- Aokatec AK-G2 for Nikon D3100, D5000, D5100, D3200, D600, P7700
- Aokatec AK-G7 for Nikon D7000
- Aokatec AK-G9 for Nikon D90
Key features:
- Wireless, Mini size
- Built-in compass for heading info
- Fast satellite acquisition
- Auto sleep mode for power saving
- Support GPS in building—remember the last known position
- With on/off switch
- Support remote switch
Specifications:
- Data Retention: Latitude, longitude, altitude, heading and time information
- Update rate: Once per second
- Time Stamp: Time required for satellite acquisition:
- Cold start Approx. 30 sec. ( open sky ),
- Hot start approx. 3 sec.( open sky ),
- GPS accuracy : 10 m/33 ft
- Power Source: Supplied from camera body
- Average working power consumption: 60mA
- Average sleeping mode power consumption: 2mA
- Operating temperature: 0 °C – 40 °C/32 °F – 104 °F
- Dimensions: Approx. 24.0 (W) x 33 (H) x 13 (D) mm
- Weight: Approx. 13g
- Compatible accessories: remote cord (available separately)