80x600mm AZ Telescope, Travel Telescopes for Adults Astronomy Beginners with 13 Pieces Telescope Accessories KitExcellent OpticsAstronomical telescope features 80mm aperture 600mm(f 6. 7) focal length The big aperture can capture more light; high transmission multi fully coated optical lens can improve light transmittance, reduce the reflection of light. It will bring you more bright and clear images. Portable & StableOur refractor telescope has a backbag, an adjustable aluminum tripod and an upgraded phone adapter. All accessories can be packed into the bag,