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The eyepiece magnifies the image formed by the objective lens or primary mirror.

The mechanism that moves the eyepiece or camera to achieve sharp focus.

A filter that blocks a significant portion of sunlight to make solar observation safe.

A fan used to regulate the temperature of the telescope's primary mirror to reduce thermal distortion.

The axis on an equatorial mount that allows the telescope to move up and down, corresponding to celestial latitude.

A simple, altazimuth mount designed specifically for large, portable reflecting telescopes.

A mirror that changes the direction of the light path, typically by 90 degrees, for more comfortable viewing.

A shield that prevents the formation of condensation on the lens or mirror of the telescope.

Tools used to align the optical elements of a telescope to ensure proper focus and image quality.

A small, secondary scope mounted on the main telescope, used to locate objects in the night sky.

The secondary mirror redirects the focused light from the primary mirror to the eyepiece or detector.

A glass plate that reduces optical aberrations in the light path of a telescope.

The mount supports the telescope and allows it to move and track celestial objects.

An auxiliary lens used to increase the effective focal length of a telescope, thereby increasing magnification.

The primary mirror collects and focuses light in reflecting telescopes.

The objective lens gathers and focuses light from distant objects.

A weight that balances the telescope on its mount to ensure smooth and stable movement.

A computerized system that automates the movement and tracking of a telescope to find celestial objects.

A three-legged stand that provides a stable base for a telescope mount.