Did the maths:
40mm plossl, 43* AFOV, gives magnification of 50X in a C8
Field of view (actual amount of sky) is 43 / 50 = 0.86*
42mm SuperView, 68* AFOV, gives magnification of 47.6X
Field of view is 68 / 47.6 = 1.43*
The SuperView shows nearly 2.8 times as much of the sky than the plossl!
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