Zoom Monocular | Mini Pocket Outdoor Portable 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