In article <4tmqib$7gq@nntp.crl.com>, addco@a.crl.com says...

>Try this test!
>Look straight forward, focus on a distant object.
>Hold both hands in front of you with your "thumbs up"
>SLOWLY move your arm apart until you can no longer clearly see both
>thumbs. Keep your eyes straight ahead. (Dont wiggle or move thumbs too
>much because your peripheral vision is especially sensitive to motion,
>but not detail)
>I see a wide-angle view of 90 -100 degrees by this method.
>Roughly comparable to a 20 to 24mm lens in 35mm format.
>Of course, YMMV

Mine does - I see my thumbs out to about 180 degrees. But the
"test", while interesting as a sort of resolution test, does
not indicate field of view for the eyes - illumination does,
since resolution is so uneven in the field. Also, 90-100
degrees is the horizontal coverage of lenses wider than
20 to 24mm (lens angle of view is given as the diagonal of
the covered rectangle, or diameter of the covered circle
[since they are both the same]).
Hope This Helps