br/ Product Settingsbr/ Product Name: 7 × 35 Standard/7X50 High Power/20 × 50 Flagshipbr/ Magnification: 7 ×/7x/20xbr/ Eyepiece size: 17MM | 17MM | 17MMbr/ Objective lens caliber: 35MM | 50MIM | 50MMbr/ Close focus di: 5M | 8M | 8Mbr/ Product size: 185 × 121X45MM | 195 × 170X60MM | 195 × 170 × 60Mbr/ Prism system: Paul systembr/ Lens: All optical lensbr/ Coating : full broadband multilayer filmbr/ Lens material: high-strength ABS e + natural resin rubber sheathbr/ Dust Cap: Eyepiece + Objective Origin | Chinabr/ Net weight: 480g/660g/680gbr/ br/ How to maintain the telescope: br/ 1. When wiping the lens, use the attached flannel or other soft and clean cloth. It is recommended to use a special lens cleaning cloth;br/ 2. When cleaning up the remaining dirty spots or stains, drip one or two drops of alcohol. Do not wipe with water;br/ 3. Keep the telescope in a dry environment, it is recommended to keep it with a desiccant;br/ 4. It is recommended not to use a telescope on windy sandy days and wet weather, wind sand and water vapor will cause damage to the telescope lensbr/ 5. Do not directly observe the sun with a telescope. The intense sunlight focused by the telescope is like a magnifying glass concentrating light, which will burn your eyes;br/ br/ br/ Binoculars High Power Adult Bird Watching Traveling Scopes Waterproof Range Finder Reflector Telescope Astronal Science Refractor Tripod Astronomy Beginner Riflescopes Microscopes Monoculars Hiking Camping Travel Optical