An imaging apparatus (1, 100) comprising: a first optical system configured to collect light incident through a first observation window; a second optical system configured to collect light incident through a second observation window; first and second imaging units, each of which is configured to output, as pixel information, an electric signal after photoelectric conversion from a pixel arbitrarily set as a reading target among a plurality of pixels for imaging, wherein the first imaging unit is arranged such that light incident through the first observation window and collected by the first optical system is then incident to the first imaging unit, and wherein the second imaging unit is arranged such that light incident through the second observation window and collected by the second optical system is then incident to the second imaging unit; a reading unit (34A, 35A, 34B, 35B) configured to read the pixel information from the pixel set as the reading target in each of the first and second imaging units; a control unit configured to control the reading unit (34A, 35A, 34B, 35B) to read the pixel information alternately from the first and second imaging units to set the pixel as the reading target in each of the first and second imaging units, and configured to control timing of exposure processes in the first and second imaging units and timing of reading processes of the pixel information for the first and second imaging units by the reading unit (34A, 35A, 34B, 35B), to be synchronized; a transmission unit configured to transmit the pixel information read from each of the first and second imaging units through a same transmission path; and an image processing unit configured to generate an image (G1, G2) based on the pixel information transmitted by the transmission unit, wherein the plurality of pixels are two-dimensionally arranged in a matrix pattern, the control unit is configured to control the reading unit (34A, 35A, 34B, 35B) to read the pixel information of horizontal lines (La, Lb) alternately from the first and second imaging units while decimating the pixel information at an interval of three lines to set the pixels as the reading target in each of the first and second imaging units, and the transmission unit is configured to alternately transmit, at the interval of three lines, the read pixel information of the horizontal lines (La, Lb) from the first and second imaging units. a first optical system configured to collect light incident through a first observation window; a second optical system configured to collect light incident through a second observation window; first and second imaging units, each of which is configured to output, as pixel information, an electric signal after photoelectric conversion from a pixel arbitrarily set as a reading target among a plurality of pixels for imaging, wherein the first imaging unit is arranged such that light incident through the first observation window and collected by the first optical system is then incident to the first imaging unit, and wherein the second imaging unit is arranged such that light incident through the second observation window and collected by the second optical system is then incident to the second imaging unit; a reading unit (34A, 35A, 34B, 35B) configured to read the pixel information from the pixel set as the reading target in each of the first and second imaging units; a control unit configured to control the reading unit (34A, 35A, 34B, 35B) to read the pixel information alternately from the first and second imaging units to set the pixel as the reading target in each of the first and second imaging units, and configured to control timing of exposure processes in the first and second imaging units and timing of reading processes of the pixel information for the first and second imaging units by the reading unit (34A, 35A, 34B, 35B), to be synchronized; a transmission unit configured to transmit the pixel information read from each of the first and second imaging units through a same transmission path; and an image processing unit configured to generate an image (G1, G2) based on the pixel information transmitted by the transmission unit, wherein the plurality of pixels are two-dimensionally arranged in a matrix pattern, the control unit is configured to control the reading unit (34A, 35A, 34B, 35B) to read the pixel information of horizontal lines (La, Lb) alternately from the first and second imaging units while decimating the pixel information at an interval of three lines to set the pixels as the reading target in each of the first and second imaging units, and the transmission unit is configured to alternately transmit, at the interval of three lines, the read pixel information of the horizontal lines (La, Lb) from the first and second imaging units.