Black 62 Type 8X 20MM Eyepiece + 30MM Objective Lens Portable All Metal Binocular Outdoor Telescope

Specification:
- Magnification: 8X
- Eyepiece aperture: 20mm
- Objective lens aperture: 30mm
- Exit pupil diameter: 3.7mm
- Exit pupil distance: 11.2mm
- Coordinate ranging: cross coordinate
- FOV: 8.5°
- Lens material: optical lens
- Prism material: BAK4
- Coating: high reflectivity dielectric film + phase film (purple red film)
- Lens body material: magnesium alloy + vulcanized protective leather + rubber eye mask
- Focusing system: binocular focusing
- Net weight: 544g
- Product size: 12.5 x 16.8 x 5cm

Package Included:
- 1 x Binocular