Fuji 3D

To fully use the stereo depth on the Fuji W3, the closest object in a scene that also includes elements at infinity distances should be about 6 feet. The stereo perception (aka, "disparity") fades with distance. For most viewers, the perceptible difference between infinity (which is "flat") and the farthest subject can be on the order of 30-40 yards. YMMV. This limits the disparity between the closest and farthest elements to maintain viewing comfort. Scenes with too great a disparity will produce viewer discomfort.

For greater perception of stereo depth at larger distances, the separation between lenses must be increased. Such work results in hyperstereo views. Since the W3 has a fixed separation (aka, "stereo base" or "interaxial"), normal use prevents this. HOWEVER...THE W3 has a selectable "CHA-CHA" mode that permits capture at variable separations (you must move the camera the desired amount horizontally between two shots). In this case, post-processing the result will probably be mandatory to re-align the two views, unless you use special hardware to move the camera exactly horizontally between the two shots. And nothing should move in the scene during the time it takes to take the two shots.

Note that you can successfully photograph closer objects with the W3 in normal mode, and produce comfortable viewing, but you must not include image elements that are also at large distances (unless the background is uniform, such as a cloudless clear blue sky). Or, you can use the CHA-CHA mode and only shift the camera by small amounts (smaller separations), and then you CAN include distant elements.

"Normal" mode means the W3 takes two images (a stereo pair) synchronized (at the same instant).

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Wayne
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