Magnification: 18x/54x/60x/180x
Objective lens diameter: 50mm
Eyepiece focal length: H20mm/H6mm
Objective focal length: 360mm
Extender: 3x
Material: Optical lens+ABS+Metal
Weight: 850g
System: Refractive
Color box size: 43.5x20.5x10cm
Packing Quantity: 12pcs
Outer box size: 45.5x43x60cm
Weight: 11.5/10.5kgs