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Published on Jul 18, 2011
- NO SOUND - Background: multi-rigged cafe interior with IA=30mm. Settings are for foreground subject.
This video shows the impact of various lens focal lengths, distances-to-camera, and Inter-Axial settings on the depth space distortion of the main subject.
Shot converged on her right shoulder.
The main issue here is the conflict between the requirements of a 2D beauty shoot that favors long lenses, and the 'roundness' needs of Stereo3D that favors lenses which much shorter focal lengths.
Notice that in the absence of any excessive parallax in the background it is entirely possible to fuse foreground subjects with extreme IAs. This suggests many creative possibilities that we have yet to see explored.
PLEASE NOTE! The stated focal lengths are only approximations and should be taken with a big pinch of salt. The fact is, whatever lens you are using, if you are at the same distance with the same IA and framing as the videos above the depth space distortion will also be about the same. (This is NOT the same thing as lens distortion)