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History of catadioptric telescope-Alice factory

October 21, 2021

The catadioptric telescope first appeared in 1814. In 1931, the German optician Schmidt used a unique aspheric thin lens close to the parallel plate as the correcting mirror. In conjunction with the spherical mirror, a Schmidt-style fold that can eliminate spherical aberration and off-axis aberration was made. Reflecting telescope, this kind of telescope has strong luminous power, large field of view, and small aberration. It is suitable for taking pictures of large areas of the sky, especially for faint nebulae. The Schmidt telescope has become an important tool for astronomical observation.

In 1940 Maksutov used a meniscus-shaped lens as a correction lens to create another type of catadioptric telescope. Its two surfaces are two spherical surfaces with different curvatures. The difference is not much, but the curvature and thickness are very high. Big. All of its surfaces are spherical, which is easier to grind than the correction plate of a Schmidt telescope, and the lens barrel is shorter, but the field of view is smaller than that of a Schmidt telescope, and the requirements for glass are higher.

Since the catadioptric telescope can take into account the advantages of both refraction and reflection telescopes, it is very suitable for amateur astronomical observation and astrophotography, and has been loved by the majority of astronomers.

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We (Alice) are a manufacturer specializing in the production of optical signs, focusing on providing supporting services for the furniture industry, machinery industry, electronic and electrical industry and other industries, mainly producing zinc alloy, aluminum, stainless steel, copper, brass, pvc Wait for different labels.

Contact us E-mail: sales03@alicelogo.com

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