The invention provides an optical element. The optical element comprises one or more optical lenses, wherein the one or more optical lenses form multiple first areas, at least two first areas in the multiple first areas have different focal lengths, so that a user sees pictures including clear areas and blurred areas in a viewing angle range when observing an image through the optical element, andthe pictures seen by the user have real space sense due to the clear areas and the blurred areas. The invention also discloses a visual imaging device and electronic equipment.