Specifications:

Seiko manufacturing Miniature high definition telescope.

Ratio: 8 times. Caliber: 20mm.

object diameter: 20MM

field angle: 5.5 degrees

Kilometer horizon: 96M/1000M

Exit pupil diameter: 2.5MM

Exit pupil distance: 10.3MM

Last focusing distance: 5M

Dimensions: length 75x diameter 24mm thickness 36mm

Prism system: Paul prism system.

Lens: an optical lens.

Function: waterproof

Package Included:

A:

1 x 8x20 Monocular Telescope

1 x Cleaning Cloth

1 x Sling+ Storage Package

B:

1 x 8x20 Monocular Telescope

1 x Cleaning Cloth

1 x Sling+ Storage Package

1 x Mobile phone holder