3D Shift Prism for Stereo Panoramas

 A simple shift prism for Lookaround cameras or other rotating pan cameras
gives a full three-sixty stereo pair with two exposures. The prism offsets the focal plane slit
half the stereo base distance. The prisim is rotated after each exposure.

3D test full

Full 360 degree image.

3D-test-pair-1.jpg - 74051 Bytes

Cropped 3D pair of full panorama.

Look at center stripe and slightly cross eyes and tilt head until stereo effect appears.







PRISM.jpg - 17313 Bytes



Suggested construction from black foamcore and mat board. Two first-surface mirrors are set
at 45 degrees and parallel to each other.

Inside View
Inside view showing mirror mounts.

Back View
Back view showing lens recess.

Mirrors
Mirrors in place.


Shift Lens Assembly

Prism assembly mounted on lens with rubber bands.

Viewmagic over and under stereo viewers for viewing panoramas.

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