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Other telescope product lines include the CGE, CGEM, CPC, NexStar, Omni, Onyx, AstroMaster, Ambassador, TravelScope,StarSense Explorer and PowerSeeker product lines. [10] These range from large computerized reflectors with GPS to decorative/casual viewing telescopes with brass tube refractors on wood mounts. Celestron products (as of 2010) include:
In amateur astronomy, "GoTo" refers to a type of telescope mount and related software that can automatically point a telescope at astronomical objects that the user selects. Both axes of a GoTo mount are driven by a motor and controlled by a computer. It may be either a microprocessor-based integrated controller or an external personal computer.
A large German equatorial mount on the Forststernwarte Jena 50cm Cassegrain reflector telescope. 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. [1] [2] This type of mount is used for astronomical telescopes and cameras.
NeXT Computer (also called the NeXT Computer System) is a workstation computer that was developed, marketed, and sold by NeXT Inc. It was introduced in October 1988 as the company's first and flagship product, at a price of US$ 6,500 (equivalent to $16,700 in 2023), aimed at the higher-education market. [ 1 ]
Since the invention of digital tracking systems, altazimuth mounts have come to be used in practically all modern large research telescopes. Digital tracking has also made it a popular telescope mount used in amateur astronomy. [4] Besides the mechanical inability to easily follow celestial motion the altazimuth mount does have other limitations.
Classical Dobsonian mount parts are typically made from plywood and other cheap materials which are glued, screwed, or even nailed together. In contrast to other telescope mount types, no precision-machined mechanical parts are required. For smooth sliding motions, small Teflon (PTFE) blocks are used for the seven supports. Their surface sizes ...
Mount adapter APS-C 200g LA-EA2 for A-mount lenses on E-mount camera, SLT-PD-AF with all AF lenses. Sony Lens Adapter E/A 3 2013 Mount adapter 35mm 110g LA-EA3 for A-mount lenses on full-frame E-mount camera, glass-less, CD-AF / OS-PD-AF with SSM/SAM lenses only. [41] Sony Lens Adapter E/A 4 2013 Mount adapter 35mm 160g LA-EA4
A barn door tracker, also known as a Haig or Scotch mount, is a device used to cancel out the diurnal motion of the Earth for the observation or photography of astronomical objects. It is a simple alternative to attaching a camera to a motorized equatorial mount .
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