Detailed Product DescriptionMagification: 7x-21x 
Objective diametre: 21mm 
Eye Relief: 10mm 
Exit Pupil: 2.25-0.9mm 
Field of 1000m   
Field of degree: 4.5-2.3 
Material of body PC GF30% 
Prism Material: BK7 
Eye
Cup Type: Overturn 
Coating type: Double-coated green 
FOCUSING SYSTEM   
Near Focus: 2.3 
Waterproof: No 
Adapt to Tr
IPod No 
Shoulders: NO 
Binocular weight: 75g 
BinocularDimension: 107.6mm X 3.85-3.34mm