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Hi All,
Yagon,
The afov,is simply the tfov X Magnification,
So if your Binoculars are marked 7 Deg fov,and the magnification is 7X,
then the AFOV is 7X7 = 49 deg afov,
if they are 7 Deg Fov,and the Mag is 10x then the AFOV is 70 deg,
So a pair of 15x70s usually about 4.5 deg FOV,
would be 4.5 X 15 = 67.5 AFOV.
Hope this helps,(Hope I got it right too)
Regards.
John
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