Artefact 4

Two short anaglyph films were made to test and compare how the convergence (toeing in) of cameras can directly manipulate the screen parralax

3 small  groups (each including four people, 2 girls and 2 boys) were used

1 group watched only the side by side rig setup.

1 group watched only the converging set up.

1 group watched both clips.

This group set up was to test if by watching one clip could affect the persons judgement of the other.

http://youtu.be/srNuwo3mxvY?t=3s

The first 3D clip was shot using a fixed side by side rig. The cameras were set at 2.5 inches apart to mimic the human eye distance.

The second clip was shot using a side by side rig setup, however this time the cameras were converged inwards (similar to how our eyes converge inwards when focusing on an object near by)

Throughout the production stage I had problems with 'ghosting' the entire time (the inability to allow the brain to fuse together the two images by wearing the glasses) This would prove even more difficult when filming the converging set up.

Participants found a slight greater negative screen parallax in the converging set-up, however many expressed strong eyestrain through this. Another problem viewers reported was even when they were able to fuse the images close to the camera, creating a negative parallax, myself in the background (creating a positive parralax) was ghosting to the vast majority of participants.