Tekno portable monocular

Portable Monocular
Magnification: 10x
Objective lens diameter: 40mm
Field of view (degrees): 7°
Field of view: 12mm / 1000m
Exit pupil diameter: 4.3mm
Eye relief: 15mm
Close focus: 5m
Lens coating: multi-layer
Focusing system: center
Includes: cell phone holder