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reflecting telescope
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reflecting telescope
reflecting telescope
Optical instrument that uses an objective mirror to observe celestial bodies.
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finderscope
Small low-magnification telescope with a wide field of view; serves to locate celestial bodies.
eyepiece
Lens or system of lenses meant to magnify the image when placed before the eye.
cradle
Part that tightens around the main tube to secure it to the base.
main tube
The barrel of the telescope through which light rays travel; houses the optical system.
focusing knob
Adjusting device that makes it possible to obtain a clear image of the object.
right ascension setting scale
Graduated disk indicating the right ascension of the observed celestial body.
celestial coordinate system
azimuth clamp
Clamp serving to lock the telescope along its horizontal axis.
celestial coordinate system
altitude clamp
Clamp serving to lock the telescope along its vertical axis.
celestial coordinate system
declination setting scale
Graduated disk indicating the declination of the celestial body observed.
celestial coordinate system
azimuth fine adjustment
Fine-tuning device that serves to position the telescope horizontally.
celestial coordinate system
altitude fine adjustment
Fine-tuning device that serves to position the telescope vertically.
celestial coordinate system