Dots Appear And Remain On The Screen; You Cannot Shoot Images Continuously; The Image Is Not Clear In The Viewfinder - Sony ILCE-7 How To Use Manual

Set [Red Eye Reduction] to [On].
Shoot the subject at a distance closer than the flash range using the flash.
Light the room and shoot the subject.
[263] Troubleshooting > Shooting still images/movies

Dots appear and remain on the screen.

This is not a malfunction. These dots are not recorded.
[264] Troubleshooting > Shooting still images/movies

You cannot shoot images continuously.

The memory card is full. Delete unnecessary images.
The battery level is low. Insert a charged battery pack.
[265] Troubleshooting > Shooting still images/movies

The image is not clear in the viewfinder.

Adjust the diopter scale properly using the diopter-adjustment dial.
[266] Troubleshooting > Shooting still images/movies
The image is whitish (Flare)./Blurring of light appears on
the image (Ghosting).
The picture was taken under backlit conditions, and excessive light has entered the lens.