Nikon Df User Manual page 362

Can not select focus point:
• Unlock focus selector lock (0 64).
• Auto-area AF (0 62) or face-priority AF (0 177) selected for AF-area
mode: choose another mode.
• Camera is in playback mode (0 185) or menus are in use (0 224).
• Press shutter-release button halfway to start standby timer (0 33).
Can not select AF-area mode: Manual focus selected (0 68, 183).
Image size can not be changed: Image quality set to NEF (RAW) (0 55).
Camera is slow to record photos: Turn long exposure noise reduction off
(0 242).
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appear in photos:
• Choose lower ISO sensitivity or use high ISO noise reduction (0 70, 242).
• Shutter speed is slower than 1 s: use long exposure noise reduction
(0 242).
• Turn Active D-Lighting off to avoid heightening the effects of noise
(0 110).
Smudges appear in photographs: Clean front and rear lens elements. If
problem persists, perform image sensor cleaning (0 329).
Colors are unnatural:
• Adjust white balance to match light source (0 81).
• Adjust Set Picture Control settings (0 100).
Can not measure white balance: Subject is too dark or too bright (0 92).
Image can not be selected as source for preset white balance: Image was not created
with Df (0 96).
White balance bracketing unavailable:
• NEF (RAW) or NEF+JPEG image quality option selected for image quality
(0 55, 141).
• Multiple exposure mode is in effect (0 155).
Effects of Picture Control differ from image to image: A (auto) is selected for
sharpening, contrast, or saturation. For consistent results over a series of
photos, choose another setting (0 103).
Metering can not be changed: Autoexposure lock is in effect (0 77).
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