7-21X40 Wide Angle Binoculars Telescope

 


Descriptions:
 

The 7-21X40 provide a field of view that is nearly twice as wide as conventional binoculars.Comfortable viewing.It's extra Wide Binoculars, perfect for spectator sports and theater or concert enthusiasts who want to see all of the action without constant movement.With compact body,light weight,very easy to carry for outdoor use.and it with full multi-coated green lens and Bak4 prisms for light transmission, so it has high resolution and good field of view. It also has rubber armored body for durable use.The most import is it with super big lens.

 

Specifications:
 
 •  Magnification                        7x 
 •  Caliber                                   50
 •  Prism System                        Roof 
 •  Prism Glass                           BAK4 
 •  Focus System                        Center 
 •  Field Of View(m/1000m)     330 
 •  Exit Pupil                              4.2mm
 •  Waterproof                           Yes
 •  Fogproof                               Yes
 •  Nitrogen Filled                     Yes
 •  Eye relief                               18mm
 •  Coating                                  FMC-Green
 •  Close focus                            3m
 
 
Features:
 
 •  Super big ocular lens for comfortable viewing
 •  Durable and Protective, Rubber-armored 
 •  Fully multicoated glass lenses deliver the ultimate brightness and resolution
 •  BaK-4 prisms offer the clear, bright and crisp images  
 •  Long eye relief for eyeglasses wearers 
 •  Smooth Central Focus Knob for quick viewing 
 •  Nitrogen filled and O-ring sealed for Waterproof/Fogproof 
 •  Extra Wide Binoculars

 
Note:

1 Do not directly observe the strong light source such as the sun.
2 Do not use the mouth blown the lens to avoid saliva corrosion lens.
3 Do not touch the lens avoid contact with grease and fingerprints.
4 Do not put the telescope in the high-temperature closed space to avoid fire or explosion.