Product Review
The new 551 model! Objective diamete: 22mm Structure: single telescope Function type: ordinary telescope Purpose: Civil binoculars Instrument magnification: 1 Exit pupil distance: 20 (mm) Exit pupil diameter: 40 (mm) Field of view: 15.8M-100M Resolution: 1080 Commodity description: The material: Aluminum Alloy - Length: 10.5CM Size: 10.5*5*6.5cm The lens diameter: 40mm The clamping opening: 20mm The net weight: 0.4KG Note: not include battery(need 2 button cell batteries)










