Sony Corp exhibited a monocular 3D video camera for business use, which the company announced Oct 1, 2009, and showed a 3D movie shot by the camera at CEATEC JAPAN 2009.
"This time, we announced just the technology," Sony said. "But we will encourage the image industry to adopt the camera from now on."
The camera was developed based on the concept that it is possible to achieve enough stereoscopic and depth effects with an interocular distance of several millimeters. The concept, which is called "microstereopsis," was announced in 1995.
In fact, Sony prototyped a monocular 3D video camera that is not based on the concept in 1972 but could not attain natural 3D images because of its low frame rate and simple optical system.
This time, the company enhanced the frame rate to 240fps and developed an optical system that can take images for both right and left eyes at the same time by utilizing the width of the objective lens. The images for the right and left eyes can separately be taken at 240fps.
There are two major advantages in using the new monocular video camera. First, it does not cause disagreement between the focal point of the eyes and the intersection point of the lines of sight (accommodation-vergence conflict), which is typical of normal 3D images. Second, though it requires special glasses to view 3D images, the images do not split into two even without the glasses.
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