Thanks much,
So in most cases only the horizontal is important, for some the vertical? Cannot see many having use of the diagonal. The confusing part is some camera resellers claim the diagonal value and doesn't mention anything else while others claim the horizontal.
One example is 1/3 CCD with 6.0 mm (=43.6 deg horizontal, 53.1 deg diagonal) and they claim 60 deg. Could this even be possible? Can you create a standard camera that can handle larger angles than the above?
Thanks again
Roger