Quote:
Originally Posted by Rod-AR127
Geez l am missing something here.
How do you know the field stop of each EP? Or is it set at 27 or 46 respectively.
A 15mm EP of 68°AFOV, in a 1200 FL scope.
TFOV= Field stop 27mm / 1200 X 57.3 = 1.289°?
So it does not matter the 15mm Or the 68° AFOV.
All the 68° EP's from 3mm to 33mm with a 27mm field stop will all have the same 1.289 TFOV?
ARRGGGHHHH.
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True field of view = Apparent field of view / magnification
So,
1200mm/15mm= 80X magnification.
The true field of view you see in the eyepiece is 68degrees/80X= 0.85 degrees.
Regards,
Renato