1. Apparatus for viewing a refracted image of a scene comprising: (a) light dispersing means comprising at least one prism having an objective face and an ocular face angularly related, (b) a support for said prism, and (c) positioning means connected with said support for contacting only a part of the head of a viewer substantially spaced from the eye region for enabling said apparatus to be held by the hand of the viewer for positioning said prism with said faces converging downwardly and the ocular face in position to transmit refracted light of a scene to the eye of the viewer and for moving said prism relative to the eye of the viewer while said positioning means is in contact with the said part of the head of the viewer.