FIG. 1 is a front perspective view of a survey camera; FIG. 2 is a front view thereof; FIG. 3 is a back view thereof; FIG. 4 is an inner side view thereof; FIG. 5 is an outer side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. Particular features of the survey camera shown with broken lines form no part of the claimed design.