Nikon D810 - Manual (Page 347)

323
Select Enable to enable the electronic front-curtain shutter in
V mode, eliminating blur caused by shutter motion. A
mechanical shutter is used in other release modes.
d5: Electronic Front-Curtain Shutter
G
button ➜ A Custom Settings menu
A
The Electronic Front-Curtain Shutter
A type G, D, or E lens is recommended; select Disable if you notice lines
or fog when shooting with other lenses. The fastest shutter speed
available with the electronic front-curtain shutter is
1 /
2000
s.