Manual Focus - Nikon D810 User Manual

To choose an AF-area mode, press the AF-mode button and
rotate the sub-command dial until the desired mode is displayed
in the monitor.
AF-mode button

Manual Focus

To focus in manual focus mode (0 100),
rotate the lens focus ring until the
subject is in focus. To magnify the view
in the monitor for precise focus, press
the X button (0 38).
A
Previewing Focus During Live View Photography
To temporarily select maximum aperture for an improved focus
preview during live view photography, press the Pv button. To return
aperture to its original value, press the button again or focus using
autofocus. If the shutter-release button is pressed all the way down to
take a picture during focus preview, aperture will return to the original
value before the photo is taken.
Sub-command
dial
Monitor
X button
41