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The Questar telescope @ not so bad Astrophotography
- http://astronomy.robpettengill.org/questar.html
- The Questar is a Maksutov catadioptric telescope. Invented by Dmitri Dmitrievich Maksutov in 1941, it combines a primary mirror with a negative corrector lens to minimize off axis coma and color aberrations present in …
Long exposure astrophotography with Questar 3.5 - Cloudy Nights
- https://www.cloudynights.com/topic/487225-long-exposure-astrophotography-with-questar-35/
- The Questar Standard 3.5 manual has a very extensive section on astrophotography with the Questar. I have reviewed it, and it seems to be written at a time when film photography was the norm (although updated for CCD imaging is included.) The reason I say this is because the "guider" that Questar sells and discusses in the text is for manual ...
Questar Gallery - Princeton University
- https://vanderbei.princeton.edu/images/Questar/
- Questar Gallery Astrophotographs by . Robert J. Vanderbei. All Astrophotos taken with, or piggybacked on, a 3.5" Questar. Click on a thumbnail to see full-sized image. Bright Background Solar System. Solar Eclipse 2021. Solar Eclipse …
Nature and Astronomy - Questar Corporation
- https://www.questarcorporation.com/questar7.htm
- The Questar Seven has the same optical perfection and Maksutov design as its little companion the Questar 3.5 telescope. Both are of the same superb quality, but the Questar Seven has twice the resolving power, four times the light grasp and two times the effective focal length of the Questar 3.5. The Seven is a powerful instrument for both ...
Company Seven | Photography Using The Questar …
- http://www.company7.com/library/questar/quephoto.html
- Questar currently offers two types of camera cradles that will do this conveniently. A rise/fall platform at the camera end of the aluminum beam makes matching your camera's height to the lens a simple process. ... Please understand that the choice of technique and hardware for astrophotography are matters which can require some thought and ...
Questar Zone, How to Service Videos @ not so bad …
- http://astronomy.robpettengill.org/questarServiceVideos.html
- Questar resource links. Search for Questar info. 172mm Focal Reducer. Afocal adapter for point and shoot camera. Camera adapter lengths. Camera adapter threading. Camera connection. Camera focusing. Custom counterweight. Drift Alignment Joy. Finder Eyepiece Compatibility. The Questar Moon 1981. Questar Powerguide II Battery Life. Questar Zone ...
The Questar 3.5" Maksutov / Cassegrain Uploaded 2/12/14
- http://www.schursastrophotography.com/QuestarMain.html
- The Questar 3.5" Maksutov / Cassegrain Uploaded 2/12/14 Left: This is our 1960 model Questar, and is virtually identical to the original design first sold in the mid 50s. It is 100% functional, and we have all the original accessories including two thread in eyepieces, a small solar filter, push in legs, lens covers and aperture stops.
Camera connection @ not so bad Astrophotography
- http://astronomy.robpettengill.org/questarCameraConnect.html
- They are commonly available for telescopes and cameras. If your camera adapter uses the newer 42 x 0.75 mm T-thread, you will need an adapter from Questar's M42 x 1.0 mm P thread to the T thread in order to use any of Questar's couplers. Questar's …
Questar Telescopes and Astronomy Equipment at Astronomics
- https://www.astronomics.com/b/questar.html
- Questar telescopes, eyepieces and astronomy equipment for sale at Astronomics
§ 4.1. New Offerings for Photographers and Cinematographers
- https://gregorygross.com/astronomy/questar/history/chapter4photography.php
- Entrop’s Astrophotography In its 1977 booklet, Questar included an image of the Great Orion Nebula by Hubert Entrop, who used a Questar Seven to capture a 55-minute exposure at Cumberland, Washington. Hubert Entrop/Questar Corporation. With the benefit of his Starguide, Hubert Entrop went on to become a prolific deep-space astrophotographer.
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