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A finderscope is a small auxiliary telescope mounted on the main telescope that helps in pointing the main telescope to the objects.

A solar filter blocks the majority of the Sun’s light, allowing safe observation of sunspots, solar eclipses, and transits without damaging the eyes or equipment.

Counterweights balance the weight of the telescope and accessories to ensure smooth and stable movement of the mount.

A motor drive compensates for the Earth’s rotation by moving the telescope at a steady rate to keep an object centered in the eyepiece.

A diagonal is a mirror or prism that bends the light path, allowing for comfortable viewing angles, especially when the telescope is pointed upwards.

A power supply unit provides consistent electrical power to telescope accessories such as motor drives, computers, and cameras.

A Barlow lens multiplies the focal length of a telescope, effectively increasing the magnification of the eyepiece used.

A dew shield prevents the formation of dew on the telescope lens or mirror by insulating the telescope and reducing temperature gradients.

A focal reducer decreases the focal length of a telescope, providing a wider field of view and shorter exposure times for astrophotography.

Collimation tools are used to align the optical elements of a telescope properly to ensure the best possible image quality.

Vibration suppression pads are placed under telescope tripods to dampen vibrations from the ground, providing a more stable view.