SVBONY SV503 102mm F7 refractor telescope delivers crisp, high-contrast views of planets, galaxies, and nebulas. ED lenses reduce chromatic aberration, while the 360° rotation focusing wheel and dual-speed focuser provide ultra-precise adjustments for backyard astronomy enthusiasts and astronomers.SV211 Handle Bar is a comfortable and convenient carrying handle, After the combined installation, the large-aperture telescope can be easily carried and moved.SV193 2" 0.8x focal reducer and field flattener for refractor telescopes, which can meet the illumination needs of full-frame shooting. With SV503 102ED refractor telescope, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo.The SV905C has a 1.23 megapixel color camera with a 1/3” CMOS 1280x960 sensor, making it ideal for autonomous navigation or planetary imaging.The astronomical guide camera has a USB2.0 interface, and the front end is equipped with a CS interface and a CS-C adapter ring.