Eyeskey 8-24X42 Zoom Single-tube HD Telescope Mobile Phone Photo Telescope Waterproof Monocular Binoculars

Model:8-24X42
Structure:Monoscope
Feature type:Normal telescope
Instrument magnification:8-24 ??Times
1. Magnification: 8-24X
2. Objective lens diameter: 42mm
3. Eyepiece diameter: 18mm
4. Lens coating: FMC coating
5. Focusing mode: integrated rotary focusing
6. Prism material: BAK4
7. Skin care material: environmentally friendly injection
8. Comfort distance: 2m-3000m (can be zoomed in and out)
9. Weight: 356g
10. Size: 13.7x5.6cm
11. BAK4 has higher refractive index, FMC coating can improve lens transmittance, improve color reproduction, and true color imaging.
12. Waterproof and moisture proof, outdoor travel or summer rain can be used