Displays and Interaction for Virtual Travel - Human Walking in Virtual Environments - page 150

Fig. 7.6 Cybersphere. Courtesy of Professor Vinesh Raja, Director of Informatics and Virtual
Reality, International Digital Lab, WMG, University of Warwick

Fig. 7.7 Left Sony HMZ-T1. Right nVis SX111. Courtesy NVIS Inc

of HMD: not all provide separate images for the left and right eyes; they vary in
resolution; and, most importantly, they vary in field of view (FOV). There are many
older HMDs with very low resolutions and FOVs, but a modern HMD is the Sony
HMZ-T1 (Fig. 7.7 , left) released in late 2011, which used OLED panels, had twin
screens at 1280 720 color pixels and a field of view of 45 ◦ . At the more specialist

end of the market, the nVis SX111 (Fig. 7.7 , right) has LCOS panels, 1280

×

× 1024

color pixels per eye, and a field of view of 111 ◦ .