Intsun® Wide Angle 10x40 Zoom Binoculars Telescope, Optical Telescope, BAK4 Non infrared Green Film Lens binoculars, for hunting, travelling, nature observation, watching games, concerts

Specifications:
* Specifications: 10X40 
* Prism Type: BAK-4 
* Magnification: 10 times 
* Eyepiece diameter: 18MM (large eyepiece design) 
* Objective Diameter: 40mm 
* Minimum focusing distance: 6.0m 
* Exit Pupil Diameter: 5.0mm 
* Horizon: 17mm 
* Relative brightness: 25.00 
* Accessories: backpack, strap, lens cap, eyepiece cap, lens cloth 
* Size: 180X135mm (WxH) 
* Weight: 660g 

How to use:
* IDP adjustment.  
    Set the interpuillary distance by grasping the body and bending it until you can see one circle of the view,The setting for your eyes will be indicated on the IPD Scale,(Note the scale setting for later use.)
* Focusing
    1. Close your right eyes and sight an object with your left eyes. Focus the binocular by rotating the center focus
    2. Open your right eye and close your left eye.Rotate the right eyepiece until the object sighted is sharp and clear(Note the setting of the diopter scale for late use)
    3. Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other objects
* Rubber fold-down eye cups
    Fold down for use with eyeglasses and fold up for use without eyeglasses. They provide comfort and promote viewing ease.

Package includes:
1 x Intsun 10x40 Binoculars
1 x Hand Strap, bag, cloth

Any problem please feel free to contact us first so that we can supply the best service for you.