Browsing through the new Nikon Sport Optics catalogue, I notice that Nikon have now adopted the ISO 14132-1:2002 standard for apparent field of view. The 8x30 E II for instance has a FOV of 154m @ 1000m, which corresponds to 8,8°. We would up to now have defined the AFOV as 8x8,8°, i.e. 70,4° but the new
ISO standard is that the AFOV is equivalent to viewing the 154m from a distance of 1000/8, ...