Zoom monocular
Free view 10 to 30X zoom monocular
Magnification: 10 to 30X
Objective lens diameter: 21mm
Angle of viewing: 4.3 to 2.949840
Field of viewing (at 1000m/yard): 96m/288 feet
Prism system: roof
Focusing system: individual
Powerful zoom 10 to 30X
Bak-4 prism glass
Fully multi coated optics for superior light transmission
Rubber ring for easy zooming
Tripod and monopod compatible