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as it is to make an aspheric surface with comparable precision. Further, since multiple surfaces are involved, creating a design with good aberration correction can become very complicated.
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Argunov, P.P. (1972). "Izokhromaticheskie sistemy teleskopov so sfericheskoi optikoi" [Isochromatic telescope designs with spherical optics].
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secondary mirror is replaced by a sub-aperture secondary corrector group consisting of three air-spaced elements, two
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Argunov systems only employ spherical surfaces and avoid the practical difficulties of making and testing
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Kudzej, I.; Karetnikov, V.G.; Dubovsky, P.A.; et al. (2007).
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design first introduced in 1972 by P. P. Argunov. All optics are
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51:(the element farthest from the primary mirror).
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232:"Astronomical Observatory on Kolonica Saddle"
23:Light path in an Argunov–Cassegrain telescope
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184:Kudzej, I.; Dubovsky, P.A. (December 2010).
153:. Notes on amateur telescope optics. 10.2.1.
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193:Odessa Astronomical Publications
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16:Catadioptric telescope design
266:. You can help Knowledge by
29:Argunov–Cassegrain telescope
207:– via Harvard U. ADS.
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147:"Catadioptric telescopes"
120:"Catadioptric telescopes"
102:Astronomicheskij Vestnik
82:List of telescope types
262:-related article is a
33:catadioptric telescope
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220:"Astrokolonica page"
151:telescope-optics.net
39:, and the classical
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65:radius of curvature
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145:Sacek, Vladimir.
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234:. Archived from
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128:. Retrieved
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179:: 100–105.
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199:: 70–73.
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71:See also
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