Eyepiece FL and Secondary Shadow

televue102 · 2002-05-28T08:27:39-07:00

I recall a discussion about certain eyepiece focal lengths causing the shadow of the secondary to be more prominent. Is there some coorealation between EP FL and scope FL?

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Eyepiece FL and Secondary Shadow

televue102 #288 I recall a discussion about certain eyepiece focal lengths causing the shadow of the secondary to be more prominent. Is there some coorealation between EP FL and scope FL?

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Eyepiece FL and Secondary Shadow