Solid-state imaging device and imaging apparatus

A solid-state imaging device includes a semiconductor substrate and a plurality of photoelectric conversion elements provided in the semiconductor substrate, wherein the plurality of photoelectric conversion elements include: effective photoelectric conversion elements which are photoelectric conversion elements for obtaining an imaging signal corresponding to light from a subject; and OB photoelectric conversion elements which are photoelectric conversion elements for obtaining a reference signal of an optical black level, and the solid-state imaging device further includes a first shielding layer provided at least over the effective pixel area as defined herein and having an opening provided at least over a part of the effective photoelectric conversion elements, and a second shielding layer provided over the OB pixel area as defined herein and electrically separated from the first shielding layer.