Non-CPU Lenses

By specifying lens data (lens focal length and maximum aperture), the user can gain access to a variety of CPU lens functions when using a non-CPU lens.

If the focal length of the lens is known:

Automatic power zoom can be used with optional Nikon SB-800 and SB-600 Speedlights.

Lens focal length is listed (with a ) in the playback photo info display.When the maximum aperture of the lens is known:The aperture value is displayed in the control panel and viewfinder.Flash level is adjusted for changes in aperture.Aperture is listed (with a ) in the playback photo info display.
Specifying both the focal length and maximum aperture of the lens:

Enables color matrix metering (note that it may be necessary to use center-weighted or spot metering to achieve accurate results with some lenses, including Reflex-Nikkor lenses).

Improves the precision of center-weighted and spot metering and i-TTL Balanced Fill-Flash for Digital SLR.

MEMO

The color and brightness of images may differ depending on use of CPU lens or non-CPU lens.

Photography — Features Advanced

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