An image capturing apparatus comprising: an area detection unit configured to detect, on the basis of only a captured image, a position of a face area of a person by extracting features in the captured image; a light control area setting unit configured to set a light control area of a light emitting unit in the captured image in accordance with the face area detected by said area detection unit; an arithmetic unit configured to calculate a main light emitting amount; and a control unit configured to control to photograph an image by controlling the light emitting unit on the basis of the main light emitting amount calculated by said arithmetic unit, characterized in that: the light control area setting unit is configured to set a single light control area based on one detected face, and set a plurality of light control areas in a case that a plurality of faces are detected, and use the light control area of a focusing point in a case that no face is detected, the captured image is captured during a pre-light emission, said control unit is configured to control the light emitting unit to perform the pre-light emission with a predetermined light-emitting amount, and the arithmetic unit is configured to calculate the main light emitting amount in accordance with a photometry value based on the pre-light emission in the light control area, wherein in a case where said area detection unit detects a plurality of face areas, said arithmetic unit is configured to calculate average brightness values based on the pre-light emission in the respective detected face areas, calculate an average value of brightness values of the plurality of face areas from the average brightness values, and calculate the main light emitting amount on the basis of the average value. an area detection unit configured to detect, on the basis of only a captured image, a position of a face area of a person by extracting features in the captured image; a light control area setting unit configured to set a light control area of a light emitting unit in the captured image in accordance with the face area detected by said area detection unit; an arithmetic unit configured to calculate a main light emitting amount; and a control unit configured to control to photograph an image by controlling the light emitting unit on the basis of the main light emitting amount calculated by said arithmetic unit, characterized in that: the light control area setting unit is configured to set a single light control area based on one detected face, and set a plurality of light control areas in a case that a plurality of faces are detected, and use the light control area of a focusing point in a case that no face is detected, the captured image is captured during a pre-light emission, said control unit is configured to control the light emitting unit to perform the pre-light emission with a predetermined light-emitting amount, and the arithmetic unit is configured to calculate the main light emitting amount in accordance with a photometry value based on the pre-light emission in the light control area, wherein in a case where said area detection unit detects a plurality of face areas, said arithmetic unit is configured to calculate average brightness values based on the pre-light emission in the respective detected face areas, calculate an average value of brightness values of the plurality of face areas from the average brightness values, and calculate the main light emitting amount on the basis of the average value. the light control area setting unit is configured to set a single light control area based on one detected face, and set a plurality of light control areas in a case that a plurality of faces are detected, and use the light control area of a focusing point in a case that no face is detected, the captured image is captured during a pre-light emission, said control unit is configured to control the light emitting unit to perform the pre-light emission with a predetermined light-emitting amount, and the arithmetic unit is configured to calculate the main light emitting amount in accordance with a photometry value based on the pre-light emission in the light control area, wherein in a case where said area detection unit detects a plurality of face areas, said arithmetic unit is configured to calculate average brightness values based on the pre-light emission in the respective detected face areas, calculate an average value of brightness values of the plurality of face areas from the average brightness values, and calculate the main light emitting amount on the basis of the average value.