Made a GPS for my old Nikon cameras: Nikon FX SLR (DF, D1-D5, D600-D850) Talk Forum: Digital Photography Review
Nikon D800/D800E - still no built-in GPS » foolography
di-GPS Geotagger Eco ProFessional 2 DC - GPS-CAMERA.EU
Buy Nikon D7200 GPS Receiver, Micnova GPS-N Plus DSLR Camera GPS Unit Navigation Geotagging for Nikon D800 D3200 D3300 D90 D7100 D5200 D4 D600 D5100 D7000 D300 D300S Online in South Korea.
Nikon 'forgot' GPS/BlueTooth on D800...: Nikon FX SLR (DF, D1-D5, D600-D850) Talk Forum: Digital Photography Review
GP-N100 Accessory GPS Unit | GPS for the Nikon 1 V1 Camera