Features:

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.

Optical coating: FMC full wideband green film.

Eye mask type: cover the eye mask, suitable for myopia and non - myopia.

Package include:

 1 x 8x20 Monocular Telescope

Note:

1.Please allow minor errors due to manual measurement.

2.The colors may have different as the difference display, please understand.