APEXEL 10-20X50 Powerful Monocular BKA4 Prism Long-distance Zoom Telescope Waterproof Hunting Goods for Hiking Camping Tourism
Feature:
Product Type: Roof System
Magnification: 10-20 times
Eyepiece diameter: 21mm
Objective lens diameter: 50mm
Exit pupil distance: 18-21.5mm
Exit pupil diameter: 2.7-5.5mm
Market elevation angle: 3.7°/4.3°
Nearest focal length: 2m/6.6Ft
Prism type: BAK4
Prism diameter: 18mm
Focus system: central focus
Focusing lens: eyepiece, objective lens internal adjustment
Lens type: all-optical glass lens
Prism coating: silver coating
Lens coating: FMC multilayer green coating
Waterproof grade: IPX7 waterproof and anti-fog
Product size: 188X59x61mm
Product weight: about 520g
If you have any questions, you can contact customer service in time, so that we can solve the problem for you
FMC Multilayer Coating And BAK-4 Prism
Variable 10-20x Magnification
How to use the monocular telescope?
