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Originally Posted by davidpretorius
lovely work itchy...
what is the focal length of the canon at prime focus and mag do you get?
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Thanks David.
Yep fl 1016mm. Magnification is not really the right term here as the image doesn't change size, but the chipsize determines what you can see. My field of view is approx 77x51 arc min. It's a bit wider than what I see through a 40mm EP which is 25 times mag.
Cheers