Take note that these are general specifications. Please refer to each camera specification to confirm exact angle of view. 

1. Hikvision 720p Turbo HD Bullet Cameras 

1.1. Typical Angle of View with Fixed Lens   
 
 2.8 mm Lens - Between 97.3 and 92 Degrees
 
 3.6 mm Lens - Between 70.9 and 78 Degrees
 6 mm Lens - Between 51.2 and 56.7 Degrees
 12 mm Lens - 23 Degrees  
 
 1.2. Typical Angle of View with Varifocal Lens
   
  2.8-12 mm Lens - Between 97 and 30.4 Degrees 

2. Hikvision 1080p Turbo HD Bullet Cameras
  

2.1. Typical Angle of View with Fixed Lens
 
 3.6 mm Lens - Between 82.6 and 91.3 Degrees
 6 mm Lens - Between 54.4 and 59.9 Degrees
 
   
 2.2. Typical Angle of View with Varifocal Lens
   
  2.8-12mm Lens - Between 103 and 32.1 Degrees  

 
   
 3. Hikvision 720p Turbo HD Dome Cameras 

3.1. Typical Angle of View with Fixed Lens    2.8 mm Lens - 97.3 Degrees   
   

3.2. Typical Angle of View with Varifocal Lens
   
2.8-12 mm Lens - Between 103 and 29.3 Degrees  
   
 

4. Hikvision 1080p Turbo HD Dome Cameras
   
4.1. Typical Angle of View with Fixed Lens
   
 
 2.8 mm Lens - 103.5 Degrees
 
 3.6 mm Lens - 82.6 Degrees
 
 6 mm - Lens 54.4 Degrees
 
   
 4.2. Typical Angle of View with Varifocal Lens
   
 2.8-12 mm Lens - Between 103 and 29.3 Degrees