STEREOGRAPHICS INTRODUCES CRYSTALEYES PC: THE FIRST STEREO VIEWING SYSTEM
DESIGNED FOR MAINSTREAM COMPUTING

CrystalEyes PC at Special Introductory Price of $985, Brings Affordable
stereo 3D Computer Graphics to PC Market

San Rafael, CA -- November 9, 1993 -- StereoGraphics Corporation, the
world's largest supplier of stereo three-dimensional electronic display
equipment, is introducing its CrystalEyes PC system for most popular
desktop system platforms, including IBM PCs and compatibles, and some
Apple Macintosh and Amiga computers.

The system, including the patented CrystalEyes shuttering liquid crystal
eyewear in a new teal color, combines stereo electronics and infrared
emitter in a single small package which sits atop the monitor. The stereo
electronics converts a non-stereo-ready PC into a state-of-the-art
graphics platform for true 3D stereo visualization. A single cable ensures
easy installation without opening the computer.

CrystalEyes PC is the first true stereo viewing product designed for
desktop PC users -- the vast majority of computer users. CrystalEyes PC's
3D stereo depth dramatically increases the user's ability to analyze
complex computer graphics and intricate details. Typical applications for
mainstream desktop users include mechanical design, CAD/CAM/CAE, molecular
modeling, animation, medical imaging and digital mapping.

Wil Cochran, vice president of sales and marketing for StereoGraphics,
said, "Up until now only the high-end workstation market has been able to
afford stereo viewing. Because the CrystalEyes PC system is PC-compatible,
millions of computer users can now bring their graphics applications to
life in true 3D stereo depth."

CrystalEyes PC will be available for shipment early in January 1994 at a
U.S. list price of $1,300 for the model CE-PCE, or $2695 for the model
CE-PCE/17M, which is bundled with a 17-inch stereo-ready monitor. As an
inducement to new 3D stereo users, the company is offering a special
introductory price of $985 for the model CE-PCE, or $2380 for the
CE-PCE/17M.

The stereo electronics convert a single frame into separate left and right
fields. These fields are alternated at high speed onto the stereo-ready
monitor display for viewing through the eyewear. Because the lightweight
(3 oz.), untethered CrystalEyes glasses are synchronized with the stereo
image by the infrared emitter, any number of users can simultaneously view
the three-dimensional screen images with complete freedom of movement.

The patented eyewear delivers a minimum dynamic range of 250:1, ensuring a
realistic, high resolution, ghost-free color image, while the 120Hz screen
refresh rate in stereo mode provides flickerfree viewing.

CrystalEyes PC also features an automatic brightness mode which allows
users to simultaneously view a non-stereo software application without
removing the eyewear, it also includes standard infrared emitters which
support viewers up to 8 feet away, and battery life in excess of 100
hours.

StereoGraphics products produce stereo images by replicating the way people
view their surroundings in the real world. Because the eyes are positioned
a few inches apart, each sees the world from a slightly different
perspective. The brain then fuses these images into a single image that
has true stereo depth -- an effect known as "stereopsis."

StereoGraphics' CrystalEyes viewing system enables users to see computer
and video images in true stereo 3D, an image that is similar to that of a
high-quality color hologram. Next to full-scale physical models, color
stereo images give users the best sense of spatial relationships because
they provide true stereo depth.

The benefits of stereo viewing have been proven in every application from
mechanical CAD/CAE to virtual prototyping and architectural walk-throughs.
Using three-dimensional images reduces design costs and development
cycles, improves accuracy, and makes complex concepts easier to
understand, manipulate and implement.

CrystalEyes products are used to improve and dramatize video and computer
presentations, scientific visualization, architectural design, CAD/CAM/CAE
and construction, medical imaging, molecular modeling, motion simulation,
inspection systems, remote vehicle control, flight simulation,
photogrammetric mapping and all types of training.

StereoGraphics also produces CrystalEyes VR systems, which enable the
viewer to see the stereo image through the CrystalEyes stereo eyewear via
a computer-directed ultrasound head-tracking device supporting all six
degrees of head movement. As the user's head moves from side to side,
closer to or further away from the monitor, the image on the display
changes its perspective, giving the convincing illusion that the image is
a real object. CrystalEyes VR is also offered with software for VR
developers and is easily ported to SGI and Sun workstations and IBM PC
systems and compatibles.

StereoGraphics Corp., founded in 1980 and the world's leading manufacturer
of stereo viewing systems, invented and developed the market for modern
stereo imaging hardware. Due to its capability, reasonable price and
state-of-the-art technology backed by 15 patents, CrystalEyes stereo
viewing systems are accepted as the industry standard for stereo viewing.
StereoGraphics is located at 2171 East Francisco Boulevard, San Rafael,
California 94901, phone 415/459-4500, fax 415/4593020.

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