通用 Astronomical Telescope, Pro 400/70 FMC Refractor Telescopes with Adjustable Tripod & & Finder Compass Portable Travel Telescope Perfect Portable Scope for Adult Children Teens

Specifications Optical Design: Refractor Aperture: 70mm(2.75in) Focal Length: 400mm(15.75in) Resolution: 3 secs Focal Ratio: F5.7 Finderscope: 5*24 Zenith Mirrors: 45°Erecting prism Diagonal Upgrated Tripod 360 ° rotationto provides full range of observations. Using the bionic design and the shape of a hoof make the tripod station more stable. 45 ° Diagonal Mirror The image of the refractor is inverted, the image passes through a 45-degree diagonal mirror and the image is positive both up and down. Special Design Put the light things on the hook to ensure the best a balance. The powerful and larger clipps will make it more steady and safer. Mutiple Eyepiece K6mm(67X), K25mm(16X) magnification eyepieces give you variety for any viewing. Q&A: What should you do when your lens is blurry? Answer: Be sure there is no sudden temperature change as that can cause lens fogging. Allow the scope to dry out and temp stabilize. Use only lens quality cleaners, microfiber cloth and typical lens brushes and air puffers. I do not recommend pressurized air like you might use to dust out a computer. Q&A: how old is it suitable for? Answer: 15.75-inch to 40.94inch Adjustable, suitable for both adults and children. Q&A: How sturdy is the tripod? Answer: it should only take a few minutes since there are only a few joins and it's ready to go. The entire setup is a little shaky, so you have to be careful to not move the telescope too much, especially when trying to capture what you're seeing with your phone came.(it has one spirit level to ensure the stable)