Description

90 mm aperture; 500mm focal length; compared with 70mm and 80mm; 90mm telescope has more light input and a wider field of view; observe the moon and deep space; which is very suitable for astronomy beginners Double speed focuser; the 2 inches rotatable double speed focuser; gear ratio of 1:10; precise adjustability for smooth operation The focusing mount with metal interface has higher interface accuracy; guarantees the parallelism of the optical axis; and enhances the observation experience Fully multil green coated lens; fitted with achromatic glass for good edge-to-edge viewing; fully multi green coated lens maximize light transmission eliminating false color 360 degrees rotation; convenient for photographic composition and visual observation; loosen the screw; the focus can be rotated 360 degrees; you can achieve astronomical shooting Product Description 2-1.25 inches Adapters SV48P telescope features with 2-1.25 inches adapters which is compatible with all 1.25" and 2" accessories such as eyepieces, Barlow lenses, zenith mirrors. Relax the conditions for choosing accessories, making it easier for you to match accessories. 1:10 Gear Ratio The gear ratio of the 2-inch rotatable double-speed focuser is 1:10, so that it is easy to achieve accurate focus. The gear ratio of the dual speed 2-inch toothed focuser with a reduction ratio of 1:10. A combination of constant-speed and fine-speed, making it easy to achieve precise focus. 1 130mm metal hoop 2 13mm wide rack 3 90mm Scale FMC Glass Lens & 90mm Objective Lens The SV48P telescope features fully multi-coated lenses to maximize light transmission and eliminate chromatic aberration, bringing you the true colors of the nebula. 90mm objective lens collects a large amount of light thereby providing an enhanced and brighter field of view. 360-degree Rotation & 1:10 Gear Ratio 360 degrees is convenient for your photographic composition and visual observation. The gear ratio of the dual-speed 2-inch toothed focuser is 1:10. The combination of constant speed and micro-speed makes it easy to achieve precise focusing and helps you obtain a clear and bright observation target. Accessories Reflectivity 99% Lens Structure 5-Elements/4Groups Lens Structure 2-Elements/ 1Groups Coating Dielectric Coatings Fully Multi-Coated Coating Fully multi-coated