Why Are Most Large Telescopes Reflectors, Not Refractors?

Rabu, 20 Juli 2022

Why Are Most Large Telescopes Reflectors, Not Refractors?

NEWS VANESSA Juli 20, 2022 Comment

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What is better refracting or reflecting telescope? If you are interested in astrophotography, purchasing a refractor is a better option because of it's specialized optic design that captures deep space objects like galaxies and nebulae. If you are interested in brighter celestial objects like the moon or planets or a beginner, a reflector telescope is ideal. I presume you are referring to optical telescopes.

Because a simple reflector only requires one curved optical surface to be shaped and that surface can be fully supported from the bottom. The secondary can be a flat mirror and while it is actually harder to make a perfectly flat mirror than it sounds, again, only one surface. Why are most large telescopes reflectors, not refractors? Map of east germany with cities. City union bank exam syllabus 2021 บน why are most large telescopes reflectors, not refractors? Why are most large telescopes reflectors, not refractors? A) large lenses deform under their own weight, but mirrors can be more easily supported b) large mirrors need only one smooth optical surface, whereas lenses need two c) reflectors do not suffer from chromatic aberration like refractors dod) all of the above are correct. Why are most large telescopes reflectors, not refractors? The reason why most large telescopes are reflectors is because they are light and inexpensive.