Nikon explains why the Z9 ditches the mechanical shutter – and why it's a big deal
Exclusive: Nikon tells us why the Z9 has gone electronic-only
Nikon Z9 vs Sony A1
Review of the Nikon Z9 and Settings for Bird Photography - Mirrorless Comparison
Review of the Nikon Z9 and Settings for Bird Photography - Mirrorless Comparison
Nikon Z9 mirrorless camera: Features and specs
Nikon Z9 mirrorless camera: Features and specs
Nikon Z9 Review - Fully Electronic Shutter
Opinion: Nixing the Nikon Z8's mechanical shutter was a genius move
Nikon's Z9 Is a Pro Camera Without a Mechanical Shutter
NIkon Z9 disassembly and teardown
A very long term (and final) review: The Nikon D700 – Ming Thein
Nikon Z9 User's Guide & Tutorial by Ken Rockwell