Beginners Professional Monocular Astronomical Telescopic Tube Refractor Monocular Telescope Spotting Scope with Portabale Tripod(Color:Black Silver) (Black Silver)

Clear aperture: 50 mm (2.4 ″)Focal length: 360 mm.f/7Inclined mirror: 90 °Jingwei table and aluminum tripodTripod height: 34 cmThe standard accessory for 0.965 inch includes:Eyepieces: SR4mm, H20mm, 3x Barrow lensThis type of large magnification: 90 times (objective focal length/eyepiece focal length * several times Barov's magnification = large magnification)Net weight: approx. 900 Gram gross weight: approx 1.5 kgRefraction type/focal length: 360 mm, free aperture: 50 mmCan be adjusted 18 times, 90 times,visual penetration size: 10.49 magnitudeTheoretical resolution: 2.800 arc seconds, which corresponds to two objects that are 1.357 cm apart at 1000 meters.Light output: 0.139Package size: 440mm * 210mm * 100mm

• 90x magnification: The high-resolution optical anti-reflection technology can easily see 90x the target (lens focal length/eyepiece focal length * multiple times Barov multiple = large magnification).It is a small refractive telescope with a large opening (50mm) and the advantages of low prices. It's portable and perfect for beginners and amateur astronomers alike.