An electronic device comprising: a first image sensor ; a second image sensor ; and a processor functionally connected to the first image sensor and the second image sensor , the processor being configured to: identify a first operation characteristic of the first image sensor and a second operation characteristic of the second image sensor, change at least one of a first access period including at least one of an exposure time or a readout time of a first row of the first image sensor or a second access period including at least one of an exposure time or a readout time of a second row of the second image sensor by inserting a blanking interval, based on a difference between the first operation characteristic and the second operation characteristic, to synchronize the first access period and the second access period, wherein the second row corresponds to the first row, acquire image data corresponding to the first row through the first image sensor based on the synchronized first access period, and acquire image data corresponding to the second row through the second image sensor based on the synchronized second access period. a first image sensor ; a second image sensor ; and a processor functionally connected to the first image sensor and the second image sensor , the processor being configured to: identify a first operation characteristic of the first image sensor and a second operation characteristic of the second image sensor, change at least one of a first access period including at least one of an exposure time or a readout time of a first row of the first image sensor or a second access period including at least one of an exposure time or a readout time of a second row of the second image sensor by inserting a blanking interval, based on a difference between the first operation characteristic and the second operation characteristic, to synchronize the first access period and the second access period, wherein the second row corresponds to the first row, acquire image data corresponding to the first row through the first image sensor based on the synchronized first access period, and acquire image data corresponding to the second row through the second image sensor based on the synchronized second access period. identify a first operation characteristic of the first image sensor and a second operation characteristic of the second image sensor, change at least one of a first access period including at least one of an exposure time or a readout time of a first row of the first image sensor or a second access period including at least one of an exposure time or a readout time of a second row of the second image sensor by inserting a blanking interval, based on a difference between the first operation characteristic and the second operation characteristic, to synchronize the first access period and the second access period, wherein the second row corresponds to the first row, acquire image data corresponding to the first row through the first image sensor based on the synchronized first access period, and acquire image data corresponding to the second row through the second image sensor based on the synchronized second access period. <EOS>