through the Nikon F-Mount - Dawntech di-GPS ECO PF1-M review
Micnova Gps-n Gps Unite Geotag Replace Gp-1 For Nikon D800 D800e D610 D600 D7200 D700 D7100 D90 D3200 D5200 D4 - Photo Studio Kits - AliExpress
Nikon D800 (no lens included) 36-megapixel full-frame sensor digital SLR camera body at Crutchfield
Nikon GP-1 Review
Amazon.com : GPS Receiver Compatible with Nikon, Micnova GPS-N Plus DSLR Camera GPS Unit Navigation Geotagging for Nikon D800 D3200 D3300 D90 D7100 D5200 D4 D600 D5100 : Electronics
Amazon.com : GPS Receiver Compatible with Nikon, Micnova GPS-N Plus DSLR Camera GPS Unit Navigation Geotagging for Nikon D800 D3200 D3300 D90 D7100 D5200 D4 D600 D5100 : Electronics
Solmeta Geotagger Pro 2 GPS Unit with Pro2 USB Cable, Cable-D (for Nikon D5, D850, D810/810A, D800/D800E, D500, D4, D3-series, D700, D300-series, D2X, D2XS, D2HS, D200) at KEH Camera
Nikon D800 Review
Tutorial Electronics and Programming: Geotagging Nikon DSLR with Vectornav VN-200 GPS (Lattitude & Longitude) + IMU (Compass Heading)