APEXEL 10-20X50 Zoom Monocular Outdoor Single-Tube Mini Telescope Lens Cell Phone Camera Telescope for Hunting/Traveling/Bird Watching

• FMC Multi-layer Coating and BAK-4 Prism: Capture clearer and sharper images without dark edges
• Variable 10-20X Magnification: Zoom 10-20X magnification offers you a different viewing experience, which allows you to catch more details as well as locate moving targets
• Shockproof and Durable Monocular Telescope: Solid framework coated with shock-absorbing non-slip rubber armor, assures your monocular telescope will still give you maximum performance in all temperatures and weather conditions
• 21mm Large Eyepiece & 50mm Objective Lens: High resolution and brightness for great fled of view of target viewing. Large-diameter concentrating performance, clearer and crisper images. The 50mm light gathering at dusk is a real plus. You can be able to count the strands of barbed wire on a fence at 700 yards during full daylight
• Scope of Application: Bird watching, horse racing, hunting, outdoor activities, theater, travel, or others

Specifications:

• Eyepiece diameter: 21mm
• Field of view: 4.3°-3° 75 -52m/ 1000m
• Lens coating: FMC broadband anti-reflection coating
• Close focus distance: 2m
• Magnification: 10-20X
• Objective lens diameter: 50mm
• Eye cover: Twist-up eye cover
• Prism class: BAK4
• Water/Fog: Yes
• Product size: 188x81x60mm
• Product weight: 520g