A photometric apparatus includes an exposure value calculator for calculating
an
exposure value based on light data from a photo sensor and an inputted photosensitivity;
an exposure value difference calculator for calculating a difference between a
calculated exposure value and a reference exposure value; a gamma characteristic
provider, which provides a gamma characteristic concerning a relationship between
the exposure value difference and a gradation value of digital data; a gradation
calculator for calculating, based on the exposure value difference and the gamma
characteristic, a gradation value of digital data in connection with an object
having the calculated exposure value when the object is photographed at the reference
exposure value; and an indicator for indicating the calculated gradation value
of digital data in connection with the object.