Patent ID: 7218376

Claim:
An adapter for a three-dimensional moving image photographing device having a photographing lens and an output terminal, comprising: a lens unit comprising an entrance lens part and an exit lens part, each of the entrance and exit lens parts including release lenses, the release lenses of the entrance and exit lens parts being disposed in the middle of the lens unit, the entrance and exit lens parts being arranged symmetrically to each other in a line so that a moving image passing through the entrance lens part is reversed at a magnification of 1:1 to leave the exit lens part, the lens unit being disposed in front of the photographing lens and having an entrance pupil point of the entrance lens part formed outside the entrance lens part; and an adapter housing disposed in front of the lens unit for alternately passing right and left moving images of an object having been introduced along second and third light axes therethrough so that the right and left moving images of the object enters the lens unit along a light axis of the photographing lens, the second and third light axes being spaced at prescribed distances from the light axis of the photographing lens in the right and left directions, respectively.