Andr Couder

Born: 1897, Alençon, France Died: 1979, Paris

Couder contributed in a major way to nearly every aspect of telescope optics. He invented the 2-mirror Couder anastigmat, a development of the Schwarzschild telescope. He also invented "Null Testing" and advocated metal mirrors from practical experiments. The "Couder law" is the fundamental law of primary mirror supports. (Courtesy Charles Fehrenbach)

Telescopes Mastery

Telescopes Mastery

Through this ebook, you are going to learn what you will need to know all about the telescopes that can provide a fun and rewarding hobby for you and your family!

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