Astronomical Refractor Telescope 70mm Aperture 400mm Focal Length for Adults and Beginners, Travel Telescope with Backpack and Bard Film Description: Astronomical telescopes help you forget about video games. Observe the nebula, the moon and Mars, ideal for amateurs and students. You can also observe landscapes and birds. Specification: Optics: Refraction Objective Diameter: 70mm Focal Length: 400mm Focal Ratio: 4.29 Eyepiece: 6mm 20mm Barlow Mirror: 3x Magnification Vertical Image Mirror: 1.5x Magnification Finder: 5x24 Mirror: 0.965 inch Length of main mirror: 1. 146 mm Coating: Multilayer coating
Limit magnitude: 12
Resolution (Rayleigh): 1.74 arcseconds
Resolution (Du Shi): 1.45 arcseconds
Photo resolution: 162 lines/mm
Concentration power: 131x
Field of view: 1.2
Linear field of view: 18.6 m
Tripod: Aluminum Alloy Tripod

Accessories:
1 x Main tube.
1 x Teleconverter
3 x Eyepieces
1 x overhead mirror.
1 x Tripod
1*Storage Backpack
1*Finder
1 x Sunshad
1*Extender Installation Demo
2*3X-5X Extenders
1*Nebula Filter
1*Bard Film
1 x mobile phone holder.
1 x manual.