I have a couple of 5x4 cameras; I have a six inch reflecting telescope. It has the usual two inch hole in the side.
How do I join part A to part B to get as large a field as possible on the film? Can anyone point me at a reference to calculate the size of the field? A 35mm or electric approach uses either a direct coupling with the image directly on the film/sensor, or an intermediate 'barlow' lens which moves the focus and provides a little magnification. I'm assuming something similar would work with the 5x4.
Neil
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