Non-Cpu Lens Data; Clean Image Sensor - Nikon D850 Menu Manual

Non-CPU Lens Data

Record the focal length and maximum aperture of non-CPU
lenses, allowing them to be used with functions normally
reserved for CPU lenses.
Option
Lens number
Focal length (mm) Enter the focal length.
Maximum aperture Enter the maximum aperture.

Clean Image Sensor

Dirt or dust entering the camera when lenses are exchanged or
the body cap is removed may adhere to the image sensor and
affect your photographs. The Clean image sensor option
vibrates the sensor to remove dust.
Option
Clean now
Clean at startup/
shutdown
Choose a number to identify the lens.
Perform image sensor cleaning immediately.
• 5 Clean at startup: The image sensor is automatically
cleaned each time the camera is turned on.
• 6 Clean at shutdown: The image sensor is
automatically cleaned during shutdown each time
the camera is turned off.
• 7 Clean at startup & shutdown: The image sensor is
cleaned automatically at startup and at shutdown.
• Cleaning off: Automatic image sensor cleaning off.
G button ➜ B setup menu
Description
G button ➜ B setup menu
Description
169
Menu Guide