298 Menu Guide > B The Setup Menu
Non-CPU lenses can be attached via a mount adapter (available
separately). Use Non-CPU lens data to record the focal length
and maximum aperture of non-CPU lenses, allowing them to be
used with on-camera vibration reduction and certain other
camera features.
• Lens number: Choose a number to identify the lens.
• Focal length (mm): Enter the lens focal length.
• Maximum aperture: Enter the maximum aperture.
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.
Non-CPU Lens Data
G button ➜ B (setup menu)
Clean Image Sensor
G button ➜ B (setup menu)
Option Description
Clean now Perform image sensor cleaning immediately.
Automatic
cleaning
• Clean at shutdown: The image sensor is automatically
cleaned during shutdown each time the camera is turned
off.
• Cleaning off: Automatic image sensor cleaning off.
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