The achromatic objective lens in the Bresser Quasar collects 30% more light than a 70mm telescope and already makes the first details on Mars visible. The rugged aluminum tripod gives secure footing on almost any surface and is easily and quickly set up thanks to its clever design. This refractor telescope is equipped with an equatorial mount (also known as a parallactic mount). This allows for compensation of earth rotation and exact following of the celestial object observed. end tab Features Easy and quick set-up Equatorial mount for exact following Extensive range of accessories end tab Spec Item Number 47?80909 Magnification from 45 Magnification up to 675 Objective diameter 80 mm Focal length 900 mm Mount Type German/Equatorial Mount end tab Warranty Limited USA One Year Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)