What trade-off is characteristic of Catadioptric systems (SCT/MCT) regarding their physical structure versus their field of view?
Answer
Short physical tube length relative to focal length, leading to a narrow field-of-view.
The folded light path in Catadioptrics permits a short physical tube, beneficial for portability, but this design inherently confines them to a narrow field-of-view, making wide-field observation less natural.
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