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SCT vs Refractor for astrophotography - Refractors - Cloudy Nights
- https://www.cloudynights.com/topic/147377-sct-vs-refractor-for-astrophotography/#:~:text=The%20long%20focal%20length%20of%20the%20SCT%20magnifies,collimation%2C%20seeing%20conditions%2C%20field%20curvature%20and%20tube%20currents.
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SCT vs Refractor for astrophotography - Cloudy Nights
- https://www.cloudynights.com/topic/147386-sct-vs-refractor-for-astrophotography/
- SCT vs Refractor for astrophotography - posted in Beginning Deep Sky Imaging: Hello everybody,Im thinking of two scopes.. I will do some serious astrophotography.Im between a 4 Refractror APO OTA and the Celestron 11 f/10 carbon fiber SCT OTA.If i go for the refractor Im thinking of a Vixen one.The photography I will do is planetary and deep sky as well.So.. any …
Refractor vs SCT - Equipment (No astrophotography)
- https://www.cloudynights.com/topic/751789-refractor-vs-sct/
- It appears that most experts recommend starting with a refractor of around 80mm (such as Orion 80 mm ED, 600mm f/7.5). I have also been looking at getting an SCT such as 6” Celestron (1500mm f/10). If I attach the .63 focal reducer, it would give me 950mm f/6.3.
Refractor vs SCT - Stargazers Lounge
- https://stargazerslounge.com/topic/343272-refractor-vs-sct/
- You can find apo refractors in that range that don't cost an arm and a leg. They will still cost more (even twice or three times more in 6" range) than SCT. In 8" and above - apo refractors will be seriously expensive. For same aperture - they will provide more light gathering. SCT has two mirrors, central obstruction and corrector plate.
Why a Refractor Telescope Is Your Best Option for …
- https://astrobackyard.com/refractor-telescope-astrophotography/
- Refractors are compact and lightweight compared to other telescope designs; The focusers are solid and easy to focus; They offer a similar experience to a high-end telephoto camera lens; The image quality potential for astrophotography is exceptional; Refractors do not require regular collimation or optical adjustments
At which point does a SCT outperform a refractor?: …
- https://www.dpreview.com/forums/thread/3907115
- I would add to your comment the SCT becomes much more cost effective when the faintness of your subject and its small angular size requires larger aperture and longer focal length. Refractors, however great their images can be, are basically out of the question at apertures larger than 4-5 inches.
Refractor vs Reflector Telescope For Astrophotography (Differences ...
- https://allthingsbackyard.com/refractor-vs-reflector-telescope-for-astrophotography-differences-explained/
- Very low maintenance is required. Frequent maintenance is required. Smaller size of the objective. Larger size of the objective. A bigger Refractor telescope is not feasible. A bigger Reflector telescope is definitely feasible. A refractor telescope is lighter. Reflector telescopes are a little bit heavier in weight.
what size refractor comparable to 8" SCT? - Stargazers Lounge
- https://stargazerslounge.com/topic/99935-what-size-refractor-comparable-to-8-sct/
- For deepsky you would need at least an 6" refractor to match an 8" SCT. For the planets a good 4" refractor would challenge an 8" SCT and a good 5" refractor would beat it. An 8" Newtonian would beat an 8" SCT as it has better cooling properties and a …
Astrophotography - Reflector Or Refractor? - Stargazers Lounge
- https://stargazerslounge.com/topic/152063-astrophotography-reflector-or-refractor/
- The cheaper reflectors offer fast f ratios and do well when they are tickled up into perfect collimation and orthogonality. Refractors are much easier and more consistent. However, the larger the refractor is, the harder it is to get good colour correction at fast f ratios. They get slower as they get bigger.
3" vs 4" vs 5" vs 6" vs 7" Refractor Telescope for Visual and ... - YouTube
- https://www.youtube.com/watch?v=PN7D2M-D3IY
- Considering a new refractor? Not sure what aperture to get? This video is your guide to choosing one that's the right size for both visual and astrophotograp...
refractor vs astrograph - TheSkySearchers.com
- https://theskysearchers.com/viewtopic.php?f=24&t=5568
- Yes, you need a coma corrector, which slows it down to f/4.5. Still I can collect photons in a fraction of the time of slower scopes. Comparing my astrograph, even at f/4.5, to an SCT with reducer at f/6.3, I only need half the exposure time. Image scales, of course, will be different: 1260mm for a reduced 8" SCT vs. 926mm for my corrected 8" Newt.
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