The invention relates to an image pickup system comprising an electronic view
finder suitable for achieving compactness and having a sufficient viewing angle
of field and satisfactory optical performance. The image pickup system comprises
an image pickup device, an image display device for displaying an image, a controller
for converting image formation obtained from the image pickup device into a signal
that enables the image information to be formed on the image display device, and
a viewing optical system for guiding an image displayed on the display device to
a viewer's eye. The viewing optical system comprises at least three lenses.