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Z6 & Z7 Guide New!
D850 Guide Updated
Nikon D600 1.04 (Feb)
Nikon D610 1.04 (Feb)
Nikon D750 1.15 (Feb)
Nikon D850 1.03 (Oct)
Canon 6Dm2 1.0.4 (July)
Nikon D5 1.30 (May)
Nikon D4 1.11 (Feb)
Nikon D4s 1.33 (Feb)
Nikon Df 1.02 (Feb)
Nikon D800 1.11 (Feb)
Nikon D800E 1.11 (Feb)
Nikon D810 1.13 (Feb)
Nikon D810A 1.03 (Feb)
Nikon D7100 1.04 (Feb)
Nikon D7200 1.03 (Feb)
The camera data pages (Nikon)(Canon) contain current firmware listings. This list is for updates made in the last six months.
The following are the pinouts for the Nikon hot shoe:
x 4
1
2 3
Note that different voltages are used on some of the pins to form a communication between camera and flash about abilities and state.
This information is not verified, nor it it certified by Nikon. Use at your own risk.