Sony DSLR-A290 - Manual (Page 147)

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• In the following cases, the image may be dark. Remove these accessories,
then shoot.
– An ND filter or a PL filter.
– A diffuser.
– A wide panel for the HVL-F36AM flash.
The date and time are recorded incorrectly.
• Set the correct date and time (pages 23, 115).
The aperture value and/or shutter speed flashes when you press the
shutter button halfway down.
• Since the subject is too bright or too dark, it is beyond the available range of
the camera. Adjust the setting again.
The image is whitish (Flare).
Blurring of light appears on the image (Ghosting).
• The picture was taken under a strong light source, and excessive light has
entered the lens. Attach a lens hood (sold separately).
The corners of the picture are too dark.
• If any filter or hood is used, take it off and try shooting again. Depending on
the thickness of the filter and improper attachment of the hood, the filter or
the hood may partially appear in the image. The optical properties of some
lenses may cause the periphery of the image to appear too dark (insufficient
light).
The eyes of the subject come out red.
• Activate the red eye reduction function (page 77).
• Get close to the subject, and shoot the subject within the flash range using
the flash (page 77).
Dots appear and remain on the LCD monitor.
• This is not a malfunction. These dots are not recorded (page 7).
The image is blurred.
• The picture was taken in a dark location without the flash, resulting in
camera shake. The use of a tripod or the flash is recommended (pages 47,
75).