| U.S. Patent Number and Date
|1480793 Jan 15, 1923
||Star map with stars represented by luminous material,|
with symbols varying in size representing magnitude.
|2628529 Feb 17, 1953
||Reflecting telescope with auxiliary optical system. A modified|
arrangement of the Questar optical system not put into production.
|2649791 Aug 25, 1953
||The basic arrangement of what would become the Questar showing the Moon|
Map and the Star Chart, the conceptual equatorial Fork Mount with Control Box,
and the rotating optical tube assembly.
|2670656 Mar 2, 1954
||The basic arrangement of the Questar optical arrangement|
components support and focus control mechanics.
|2693032 Nov 2, 1954
||Proposed arrangement for a portable fork mounted telescope based|
on the Questar but where the telescope base serves as a housing for safe
storage and transport of the telescope optical tube and other components.
|2753760 Jul 10, 1956
||"Multiple Image Telescope" shows concepts to convey|
light from either the telescope's main optics or the Finder to the Eyepiece Port.
This predates the final production arrangement, for example a pick-off mirror
is used for the Finder instead of the prism shown in this application .
|4061420 Dec 6, 1977
||"Catadioptric Lens System" the new design implemented in the Questar 700 lens.|
The invention provides a highly corrected catadioptric telephoto lens made.
up of an aspherized negative meniscus corrector lens, a Mangin trype primary
mirror, a secondary mirror, and two additional corrector lenses in line.
Above: Click on the Patent link to download or view the complete document as an Adobe .pdf file.