Finder scope for use with astronomical telescopes

Details Finder scope for use with astronomical telescopes Finder scope for use with astronomical telescopes

1986-11-10

1988-06-07

Henry, Jon W.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350171, 350557, 350566, 356251, 356254, 356255, G02B 2310, G02B 2304, G02B 2732

Patent

active

047492716

ABSTRACT:
A finder or sighting scope for use with an astronomical telescope, the finder scope having a target member or reticle located at the common focus of the scope objective and the eyepiece. The target member or reticle may be seen as a magnified telescope view when viewed through the eyepiece and as a target or star image against the backdrop of the sky as viewed by a naked eye, the target or star image being projected into the viewer's line of sight by the objective and a mirror and beamsplitter.

REFERENCES:
patent: 828511 (1906-08-01), Saegmuller
patent: 2978950 (1961-04-01), Mandler
patent: 3107270 (1963-10-01), Hildebrand
patent: 3362074 (1968-01-01), Luebkeman et al.
patent: 3524710 (1970-08-01), Rickert
patent: 3836263 (1974-09-01), Rickert

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