Sony alpha DSLR-A500 - Manual (Page 162)

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• The shutter cannot be released when the subject is out of focus.
• The lens is not attached properly. Attach the lens properly (page 20).
• When an astronomical telescope, etc., is attached to the camera, set the
exposure mode to M and do your shooting.
• The subject may require special focusing (page 80). Use the focus-lock or
manual focus function (pages 81, 84).
Recording takes a long time.
• The noise reduction function is turned on (page 132). This is not a
malfunction.
• You are shooting in RAW mode (page 129). Since the RAW data file is
large, the RAW mode shooting may take time.
• The Auto HDR is processing an image (page 98).
The image is out of focus.
• The subject is too close. Check the minimum focal distance of the lens.
• You are shooting in manual focus mode, set the focus mode switch to AF
(autofocus) (page 79).
• When the focus mode switch is equipped with the lens, set it to AF.
• Ambient light is insufficient.
Eye-Start AF does not work.
• Set [Eye-Start AF] to [On] (page 71).
• Press the shutter button halfway down.
The flash does not work.
• The flash mode is set to [Autoflash]. If you want to make sure the flash fires
without fail, set the flash mode to [Fill-flash] (page 88).
The flash takes too long to recharge.
• The flash has been fired in succession in a short period. When the flash has
been fired in succession, the recharging process may take longer than usual
to avoid overheating of the camera.
A picture taken with the flash is too dark.
• If the subject is beyond the flash range (the distance that the flash can
reach), the pictures will be dark because the flash light does not reach the
subject. If the ISO is changed, the flash range also changes with it
(page 90).