Your eye or the picture was not centered correctly in the viewfinder. Leave space around subject when centering picture in viewfinder. Camera Close-Up is activated without using Preview. Activate Preview when using the Close-Up feature . When you look through the viewfinder, the scene is not clear.
Viewfinder is out of focus.
Adjust the diopter dial. Picture is too dark. Flash is not on or did not function. Turn on the flash . The subject is too far away for the flash to have an effect.