TK: A three-by-five-foot flag on a pole 100 feet away looks about the same size as a one-by-one-and-a-half-inch rectangle seen about 15 inches from your eye.
T.K. : 1 reiz 3 metrus liels karogs 30 metru attālā mastā izskatās tāpat kā 2,5 reiz 4 centimetru liels taisnstūris 40 centimetru attālumā no acīm.