| 摘要 |
PURPOSE:To easily adjust a lens for photographing three-dimensional videos, by constituting an adjusting device of an adjuster which adjusts the central positions of master lenses and a finder on which images from the master lenses are projected and adjusting the central positions of the master lenses conformably to the scale marks for adjustment of the finder. CONSTITUTION:On the object side of a lens box 11 a paired right and left master lenses 12 and 13 are provided in such a way that their central positions are set at right and left positions with an appropriate interval between them in accordance with the eye intervals of human beings. The master lenses 12 and 13 are respectively fitted to guide rails 34 and 35 under slidable conditions and their central positions are moved in both right-left and up-down directions by adjusters 36 and 37 through screws. Therefore, when the central positions are moved by operating the adjusters 36 and 37 to bring images B2 and C2 to the central positions while watching them through a finder 10, the central positions of the master lenses 12 and 13 are easily adjusted and an image, whose right-side and left-side parts are not inverted to each other, is formed. Thus a video which is close to a natural view is obtained.
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