Supporting the Nikon F-mount on the Internet since 1994...
Added Canon EF mount support in 2017...
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Z50 Guide New!
D850 Guide
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What's New: bythom.com
Nikon film SLRs: filmbodies.com
Nikon Z cameras: zsystemuser.com
Mirrorless cameras: sansmirror.com
Nikon D6 1.10 (Sept 2020)
Canon 1DXm3 1.2 (Aug 2020)
Nikon D780 1.01 (May 2020)
Canon 6D 1.1.9 (Nov)
Canon 6Dm2 1.0.5 (Nov)
Canon 7Dm2 1.1.3 (Nov)
Canon 70D 1.1.3 (Nov)
Canon 80D 1.0.3 (Nov)
Canon 1DX 1.2.1 (Sept)
Canon 5Dm3 1.36 (Sept)
Canon 5Dm4 1.2.1 (Sept)
Canon 5DS (&R) 1.1.3 (Sept)
Canon 80D 1.0.3 (August)
Nikon D7200 1.0.4 (June)
Nikon D850 1.10 (May)
Nikon D7500 1.10 (May)
Nikon D5600 1.10 (May)
Nikon D500 1.20 (Apr)
Nikon D600 1.04 (Feb)
Nikon D610 1.04 (Feb)
Nikon D750 1.15 (Feb)
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 1.14 (Feb)
Nikon D810A 1.03 (Feb)
Nikon D7100 1.04 (Feb)
The camera data pages (Nikon)(Canon) contain current firmware listings. This list is for updates made recently.
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.