Glossary | Telescope accessories | Special features
Located between the tripod legs for storing eyepieces, filters, etc.
Eyecups are adjustable for a comfortable viewing position.
As an alternative to the hand-control box, celestial objects can be controlled via a PC with appropriate software.
Displays the back-to-front image correctly using a prism or a reversing lens.
The telescope image is always upside down, but can be corrected using correction optics or mirrors.
Optical telescopic tubes are usually connected to the telescope using an adapted dovetail bar. This makes it possible to quickly set up and take down the telescope.
A collection of several eyepieces which cover various levels of magnification.
Used to connect a filter to the accessory.
Object positioning system, available in real GoTo and also PushTo versions.
An object can be selected using a hand-control box, the telescope will be automatically directed to it, and the object is positioned in the field of view.
Homofocal eyepieces in a series have the same focal position.
Used to set the geographic latitude of the observing location.
An electronic improvement to a mount’s periodic drive gear error.
Used for the exact alignment of an equatorial mount. Accurate astrophotography is only possible having first located the celestial north pole.
Protects the eyepiece sleeve from damage.
The scales of the RA and DEC axes of equatorial mounts. With more expensive mounts, the setting circles are also suitable for locating objects using the equatorial coordinate system.
The latest software updates can be uploaded.
With these eyepieces, the magnification can be variably adjusted within a certain range.