Lens: an optical lens.
Optical coating: FMC full wideband green film.
Eye mask type: cover the eye mask, suitable for myopia and non - myopia.
Function: nitrogen filling waterproof
Package Included:1 x 8x20 Monocular Telescope(Plastic /metal shell), 1 x Cleaning Cloth,1 x Sling+ Storage Package,1 xpacking box
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.
