Focus system: Center Focus mode: Singal focus Prism system: Roof Magnification: 16x Objective lens: 52mm Eye relief: 18mm Exit pupil: 5.2mm Size: About 15.1cmx5.2cm/5.9"x2.0"(LxD) Color: Black Package Weight: About 340gPackage Contents: Package included: 1 x Monocular Telescope