Telescope/astronomical telescope suitable for indoor and outdoor Astronomical telescope: used to observe the sky and mountains. It uses complex optical components to provide the observer with clear and sharp images, and provides beginners and children with a l starting point to understand nature and the universe. Parameter Model: Astronomical Telescope Optical system: refraction Tripod material: aluminum alloy (52-120cm height adjustable) Objective lens diameter: 70mm Focal length: 400mm Focus ratio: 11.25 Exit pupil diameter: 2.2mm Optical coating: multi-layer optical coating Eyepiece: K9 (44.5X), K25 (16X) Teleconverter: 3X Barov Maximum magnification: 133.5X Minimum magnification: 16X Finder: 5x24 Weight: 3KG Packing size: 745x220×110MM color: blue Include: 1 * Telescope 1 * Tripod 1 * Finder 2 *Eyepiece 1 * Teleconverter 3X 1 *Accessory tray 1 *Handbag 1 *Instruction 1 *Phone clip Note: Do not use the telescope to watch the sun directly, so as not to cause permanent damage to the eyes! TIPS:If you need help or have Any questions,feel free to contact us. We will do our best to help you.