Nikon D3X User Manual page 147

Setting
aperture
Setting
shutter
speed
Shutter speed and aperture can be locked at the selected
setting (see pages 123, 124).
3
Frame a photograph, focus, and shoot.
A
AF Micro Nikkor Lenses
Provided that an external exposure meter is used, the exposure ratio need
only be taken into account when the lens aperture ring is used to set
aperture.
Sub-command
dial
Main command
dial
Shutter speed:
Aperture: f/8
SHOOT
CUSTOM
SHOOT
CUSTOM
1
/ s
250
Z
121