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. Double-speed rack and pinion focuser The gear ratio of the 2-inch rotatable double-speed focuser is 1:10, so that it is easy to achieve accurate focus. FMC glass lens Fully multi-layer coated lens maximizes the light transmittance and eliminates chromatic aberration. 90mm objective lens 90mm objective lens collects a large amount of light thereby providing an enhanced and brighter field of view. Simple operation Quick and easy focusing can be achieved without any tools, even novices can operate it quickly and easily. Beginner telescope It is suitable for beginners to enjoy the beauty of planets and the moon as well as brighter galaxies, nebulae and star clusters. SV182 Finderscope 30mm wide aperture; has a strong light gathering capability; allowing you to see faint objects in the sky, 120mm focal length which is ideal for your observation, Fully multi coated lens coating; improve the light transmission; provide a clear view of the night sky. SVBONY Universal Dovetail Base is compatible with finder scope; can be installed on telescope; Compatible for Clestron Orion Sky-watcher Vixen and so on. SV188P Dielectric Mirror Star Diagonal super flat mirror with dielectric coatings to reduce reflected light loss; provide an over 99% reflective surface; good for astronomical viewing. SC311 is the first WIFI camera we developed for astrophotography. It uses IMX662 color COMS chip and 2.4G WIFI technology to enjoy the fun of sharing with multiple people and a clearer visual experience.