Surveying apparatus

A surveying apparatus including an objective lens (13); an irradiation unit for irradiating illumination light from the objective lens toward a reflector (2); a ranging unit for irradiating ranging light from the objective lens to measure a distance from the surveying apparatus to the reflector; an image sensor for outputting information on an image in a field of view based on light entering through the objective lens; an image processing circuit connected with the image sensor for processing the image information outputted from the image sensor; and a monitor connected with the image processing circuit for displaying an image, wherein a ranging-possible area and a position at which the reflector (2) is located based on the illumination light reflected from the reflector are displayed in a form of figure on the image displayed on the monitor.