3D photography and videography image creator and viewer

A method for reducing parallax eye strain when viewing a three-dimensional (3D) image using a stereo image viewer, the method comprising:

• displaying a 3D image on a stereo image viewer, the stereo image viewer comprising a display, a left lens, and a right lens, the display having a first portion configured to display a left image of the 3D image to a left eye of a user via the left lens and a second portion configured to display a right image of the 3D image to a right eye of the user via the right lens;
• illuminating a first vertical line on the left lens at a center of the left lens;
• adjusting a position of the left lens to align the first vertical line illuminated on the left lens with a center of the user's left eye;
• illuminating a second vertical line on the right lens at a center of the right lens;
• and
• adjusting a position of the right lens to align the second vertical line illuminated on the right lens with a center of the user's right eye.