Cell Phone Telescope Lens

Magnification:20x mirror Lens structure: roof type (anti-sidelight 45 degree design) Observation distance: 3 meters to infinity Field of view: 250m/1000m (16°) Eyepiece diameter: 16mm Objective lens diameter: 18mm Exit pupil distance: 3mm Eye point distance: 9.6mm Product size: 33X94 mm