(i) When only partially seen, as in the case of troops firing from cover.
(j) Troops kneeling or lying in the open seem farther away than when standing.
(iii) Conditions which appear to Decrease Distance.—Objects will appear larger, and therefore nearer than they are, under the following conditions:
(a) When both object and background are of different or contrasting colours.
(b) When the sun is behind the observer.
(c) In bright light or clear atmosphere.
(d) When the intervening ground is level or covered with snow.
(e) When seen across water or a deep chasm.
(f) When looking upwards or downwards.
(g) When the object is large, or when seen near any other object which makes it appear larger than it is by effect of comparison.