Balfson 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