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The Questar telescope @ not so bad Astrophotography
- http://astronomy.robpettengill.org/questar.html#:~:text=The%20Questar%20is%20a%20Maksutov%20catadioptric%20telescope.%20Invented,Camera%20design%20it%20uses%20a%20simpler%20corrector%20lens.
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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 : Axial port astrophotography | RainyDayMagazine
- https://rainydaymagazine.com/wp/2021/05/09/questar-axial-port-astrophotography/
- Axial Port. Fortunately, the Questar 3.5″ can direct the light coming off the primary mirror destined for the eyepiece to be redirected to an opening (axial port) in the back. This axial port is threaded to take a special adapter from Questar that enables different cameras to be attached to the telescope. “One ring to rule them all…”.
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 …
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.
Nature and Astronomy - Questar Corporation
- https://www.questarcorporation.com/questar7.htm
- Questar 7. 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 ...
Questar Zone, How to Service Videos @ not so bad Astrophotography
- 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 ...
Questar Viewing Table @ not so bad Astrophotography
- http://astronomy.robpettengill.org/questarTable.html
- Questar Viewing Table. Visual observers often prefer to use the Questar with its included tripod legs on a table rather than mounted on a larger tripod. It can be hard to locate a steady table with a clear view of the sky. Paul Bock designed a very nice table just for the Questar. It is large enough for the Questar, accessories, and a star map ...
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 …
Astrotrac wedge adapter for Questar - not so bad Astrophotography
- http://astronomy.robpettengill.org/questarAstrotracWedge.html
- The Questar is light enough to be mounted on any sturdy tripod and mount. An adjustable astronomical wedge makes precise drift alignment practical for long exposure astrophotography. My earlier SkyWatcher wedge was the first that I could reliably drift align with. That design perched the Questar on the single dovetail rail, I wasn't comfortable ...
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