What device is utilized to calibrate an aerial camera?

The device used to calibrate an aerial camera is a collimator. A collimator is an optical device that produces a beam of parallel light rays. In the context of aerial photography, it is utilized to ensure that the camera is properly aligned and that its lens system is accurately focused. Calibration is essential for producing high-quality images with accurate measurements. By allowing surveyors to assess and correct for lens distortions and alignment issues, the collimator ensures that the imagery captured meets the required precision standards for mapping and surveying.

Other choices, while relevant in different contexts, do not serve the specific function of calibrating an aerial camera. Aerial camera components refer to the various parts of the camera itself but do not provide a means to calibrate it. An intervalometer is used to control the timing of photography but doesn't adjust the camera's optical calibration. The yaw angle pertains to the rotational position of the camera but is not a device for calibration. Thus, the collimator stands out as the crucial tool for ensuring aerial cameras are calibrated effectively for precise output.