From: Marc Bernatchez Subject: Re: DESIGN: FOV Reference Date: Thu, 11 Jan 1996 13:51:22 -0500 Organization: Universite Laval From: Marc Bernatchez On Tue, 9 Jan 1996, ROY RUDDLE wrote: >Can anyone anyone give me a reference which explains/demonstrates > why this FOV is a good, general purpose compromise (eg. an experiment > which compares users' perceptions of the distortion of the same object > when displayed on a monitor and the real world?) > Actually roy, if you stand at any "safe" distance from your monitor screen (about 2 feet away), you will get more like 25 degrees of FOV for a 14" screen. I guess you could get around 30 for a bigger one (17" or so). Small FOV may be better right now because of the technological limits we faces. This is especially true for HMD LCD screens which are still pretty low resolution for the high FOV applications. This is much the reason why low FOV is considered a good compromise. To begin to get immersion, you need at least 60 degrees of FOV. Less than that, you get a tunnel view effect. As the FOV lowers, the resolution (angular resolution to be precise) goes up so it's a clear advantage for CAD applications by example. You can look at my article section regarding that. It is located on our VResources web site (see sign bellow) under VR articles/marc bernatchez's articles... Hope it help Marc Bernatchez | E-mail: mbernat@gel.ulaval.ca C.O.P.L. (local plt-00307) |============================================ Dep. Genie electrique | http://www.gel.ulaval.ca/~mbernat Universite LAVAL | http://www.imaginative.com/VResources Quebec, Canada |============================================ G1K 7P4 | Virtual Reality is the future of computers