Imaging apparatus adapted to implement electrical image restoration processing

An imaging apparatus adapted to implement electrical image restoration processing, characterized by comprising:

• a zoom lens comprising a plurality of lens groups and adapted to implement zooming from a wide-angle end to a telephoto end with a change in a space between said plurality of lens groups,
• an imaging device having an imaging plane located at a position where an image formed by said zoom lens is received at, and adapted to take said image, and
• an image restoration processor adapted to implement signal processing by which image restoration is implemented on the basis of a signal for the image taken by said imaging device to generate an image signal for a restored image, wherein:
• the signal processing for implementing said image restoration at said image restoration processor involves processing for electrically implementing image restoration using a restoration filter on the basis of a point spread function regarding an imaging capability of said zoom lens, and
• said zoom lens and said imaging device have a relation that satisfies the following condition (1):
• 2<(L·fw·√{square root over ( )}Fno)/(ft·Ih)<7 (1)
• where:
• L is an axial maximum length from the refracting surface of the zoom lens nearest to the object side to the imaging plane,
• fw is a focal length of the whole zoom lens system at the wide-angle end,
• ft is a focal length of the whole zoom lens system at the telephoto end,
• Fno is a minimum F-number at the telephoto end, and
• Ih is one-half the diagonal length of an effective imaging area on the imaging plane, provided that the effective imaging area is a maximum area used for image display in an area on said imaging plane with said image formed on it, and when said zoom lens has a focusing function, each value is found upon focusing on an axially farthest object.