The List of telescope types reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

List of telescope types

There are three main types of astronomical telescopes - and these are divided into subgroups. They all have their different advantages and disadvantages and they are used in different areas of astronomy.

Refractors (Dioptrics)

• Achromatic
• Non-achromatic
• Apochromatic

Reflectors (Catoptrics)

• Newtonian
• Gregorian
• Classical Cassegrain
• Ritchey-Chrétien
• Schiefspiegler

Combined Lens-Mirror Systems (Catadioptrics)

• Schmidt-Cassegrain
• Maksutov-Cassegrain

These types can be mounted on different types of mounts.

Altazimuth (ALT-AZ) Mounts

• Altazimuth mount
• Dobsonian mount

Equatorial mounts

• Equatorial mount
• German equatorial mount
• Fork mount

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