Equatorial mount
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An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis, called polar axis, parallel to the Earth's axis of rotation. This type of mount is u
A large German equatorial mount on the Forststernwarte Jena 50cm Cassegrain reflector telescope.
German equatorial mount
Open fork mount
English mount on the Hooker telescope
Dobsonian telescope
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A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers
Equatorial mount
…cameras up to entire observatory buildings. These platforms are often used with altazimuth mounted amateur astronomical telescopes, such as the common Dobsonian telescope type, to overcome that type of mount's inability to track the night sky. Altazimuth mount…
A Dobsonian telescope on display at Stellafane in the early 1980s
Two amateur built Dobsonians at Stellafane in the early 1980s
A modified Dobsonian from 1983 that features a collapsible open tube assembly with integrated bearing surface and a very compact "rocker box" mount.
Two Dobsonians that combine a truss tube, compact "rocker box", large radius altitude bearings, and a collapsible design.