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Guan Sheng 8" f4 Newt
Hi,
does anyone know the size of the secondary mirror in the Guan Sheng 8" f4 Newt (GS 600) as sold by Andrews?
Trying to determine whether it needs a bigger secondary for imaging.
Distance of focal plane from tube would be helpful.
Staff at Andrews don't seem to know much..............
cheers
Gary
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