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Infrared 5X40 IR Dark Night Vision Monocular Binoculars Telescopes Scope Hunting. 100% brand new and high quality. Name: Digital Night Vision. Objective lens diameter: 40mm. Field of view: 5° x3.75°. Diopter adjustment range: ±0.6. Low light observation range: 2 +. No light all black observation distance: 3-200m. Power: rechargeable lithium battery / charging power; 5.0V… Read more Infrared 5X40 IR Dark Night Vision Monocular Binoculars Telescopes Hunting F2F1