Center focus 7X50 compact travel binoculars for adult hiking birds watching

This binoculars is very popular all over the world market, the body is made of metal, the cover is PVC. The magnification is perfect 7x. The price is also very competitive. This binoculars is very suitable for the promotion and for outdoor traveling. Watching football match and vocal concert and more. Features • Economic K9 prism • Aluminum body, rubber cover • Adjustable right focal distance • Middle wheel for adjusting focal length • Environmental anti-sliding design • Accept OEM, print your logo Options: blue coated, green coated lens coatings are alternative. Magnification: 7X Objective diameter: 50 mm Material: metal, all-optical glass, rubber Eyepiece diameter: 25mm Angular field of view: 7 degree Field of view: 119m/1000m 357ft/1000yds Exit pupil diameter: 4.5 mm Eye relief : 14.5mm Close focus: 5m/16.4ft Light intensity: 20 Twilight factor: 16 Resolution: 13 Prism: eco H-k9L Product size: 195x184x65mm