Specifications: Optical design: Refractor optical design: Refractor aperture: 80 mm (3.15 inch) focal length: 400 mm (15.75 inch) focal ratio: F5 eyepiece1: 25 mm (0.98 inch) magnification1: 16x eyepiece2: 10 mm (0.39 inch) magnification2: 40x eyepiece3: 5 mm (0.196n) magnification3: 80x max magnification: 120 Finderscope: 6x30 zenith mirrors: 48°erecting bak7 prism mount: AZ altazimuth mount optical coating: Multi antireflection blue film Barlow lens: 3x resolution: ≤3.1 angular field of view: 2 degree 24" tuble connection: Hook, dovetail plate tripod: 1.27 inch stainless steel tripod shipping weight: 8.2 kg (18.04 pounds) item dimensions：39.7in*13in*8.6in package list: 1 * monocular telescope 1 *zenith mirror 1 *5 mm eyepiece 1 *10 mm eyepiece 1 *25 mm eyepiece 1 *3x Barlow lens 1 *Finderscope 1 * accessory tray 1 * tripod 1 * user manual description: Gskyer 400x80 mm astronomical telescope with 80 mm aperture and 400 mm focal length, great for students or those who are interested in learning more about the space and night sky. With 3x Barlow lens, this maximum magnification of this telescope can reach 240 times, which can increase the viewing capability. Lightweight and portable, this telescope can be a wonderful gift for those who love observing animals, enjoying scenery, traveling, etc. Features: Multiple interchangeable eyepieces with 1.5x erecting eyepiece and 3x Barlow lens for increased viewing capability. 240x maximum magnification brings the distant scenery to your eyes. Easy assembly with no tools required. Knapsack camera interface, can be installed camera shooting 14cm long coke drum, high magnification is more clear fine adjustable lever is soft and easy to adjust hoop built-in flannel, better protect your mirror note: Don't clean the inner parts of the monocular or dissemble the monocular without guidance of expert. Never look at the sun directly with this product.
Aperture: 80mm. focal length: 400mm. focal ratio: f/5. rack-and-pinion focuser. comes with Low (25mm) , medium (10mm) and high (5mm) magnification eyepieces & 3x Barlow lens.
Fully Multi-coated optics glass lens ,1.27in preassembled adjustable full size stainless steel tripod& accessory tray, 1-years limited warranty on parts and labor.
Large aperture-80mm, all front and back lens are coated with multilayer film, which render excellent transmittance and clear image.
Excellent CF4 optical glass with low dispersion is adopted, which can eliminate chromatic aberration of red, green and blue.
The Gskyer 80 series telescope ushers in a superb path to explore the universe for those aspired to become astronomers. It is a collection of combination of quality, property, price and appearance advantages, which is exclusively designed for beginners