Magno Monoculars are Keplerian in design. Each Magno Monocular comes with a black, protective, storage case (that includes a built-in belt loop), a wrist/neck lanyard which is 8" in length, and a cleaning cloth.

The 3x, shown on this page, attaches easily to a finger ring which is optionally available.  

Each telescope is focusable and the magnification power and objective lens size is easily seen on the barrel.

Specs:

Magnification: 3x

Lens Size: 20 mm diameter

Field of view: 145/1000m / 8 degrees

Accessories: Black storage case (with built in belt loop) and a wrist/neck lanyard 8