Telescope guiding system
OwnerThomas C. Venableinventor
Life of this patent
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Abstract
Off-axis guiding apparatus for a reflecting telescope having a main focusing tube transverse to the telescope barrel and light deflecting means in the barrel reflecting light into the main focusing tube comprises a turntable mounted to straddle the telescope barrel and supporting the main focusing tube, rotatable about the axis of that tube, and also supporting an auxiliary focusing tube having its lower end adjoining the lower end of the main focusing tube, but its axis inclined to the axis of the main focusing tube, and light deflecting means adjustably affixed to the turntable so as to deflect peripheral light from that reaching the main focusing tube into the auxiliary focusing tube.
Claims10
Guide apparatus for a reflecting telescope having a main focusing tube opening out of the wall of the telescope barrel transversely thereof, first light diverting means positioned in the telescope barrel to divert light into the main focusing tube, a separate guide focusing tube opening out of the wall of the telescope barrel and second light diverting means positioned adjoining the barrel end of the main focusing tube to divert peripheral light from the first light diverting means into the guide focusing tube, comprising a turntable having a stationary member affixed to the exterior of the telescope barrel by longitudinally extending supporting members spaced from each other transversely of the telescope barrel to straddle the telescope barrel and a rotatable member carrying the main focusing tube, the guide focusing tube and the second light diverting means.
In guide apparatus for a reflecting telescope having a main focusing tube opening out of the wall of the telescope barrel transversely thereof, first light diverting means positioned in the telescope barrel to divert light into the main focusing tube, a guide focusing tube opening out of the telescope barrel, second light diverting means positioned adjoining the barrel end of the focusing tube to divert light from the first light diverting means into the guide focusing tube and a turntable having a stationary member affixed to the exterior of the telescope barrel and a rotatable member carrying the main focusing tube, the guide focusing tube and the second light diverting means, the improvement comprising said guide focusing tube being inclined to open out of the telescope barrel adjacent the main focusing tube at an acute angle thereto and said second light diverting means being positioned to direct only peripheral light that would not enter the main focusing tube transversely across the barrel opening of the main focusing tube into the guide focusing tube.
Dependencies are inferred from the claim text.