What is the viewable area for a camera? : eBay Guides

The examples below are based on a CCD Camera with a 1/3" Image Sensor. CMOS and cameras with different size image sensors will vary from these numbers, but this guide can be used in those cases as an approximation.
    
Lens Size  3.6mm Lens    
Field of View 92 degrees     
Recognizable Distance 10 – 15 feet     
Best Picture Distance 5 feet     
Viewable Area @ Given Distance 14’ (W) x 10’ (H) @ 10 feet

Lens Size  6.0mm Lens    
Field of View 57 degrees     
Recognizable Distance 20 – 25 feet     
Best Picture Distance 7 feet     
Viewable Area @ Given Distance 16’ (W) x 12’ (H) @ 20 feet

Lens Size  8.0mm Lens    
Field of View 38 degrees     
Recognizable Distance 25-30 feet     
Best Picture Distance 10 feet     
Viewable Area @ Given Distance 18’ (W) x 14’ (H) @ 30 feet

Lens Size  12mm Lens
Field of View 26 degrees     
Recognizable Distance 35-40 feet     
Best Picture Distance 12 feet     
Viewable Area @ Given Distance 16’ (W) x 12’ (H) @ 40 feet

Lens Size  16mm Lens    
Field of View 15 degrees     
Recognizable Distance 50-60 feet     
Best Picture Distance 18 feet     
Viewable Area @ Given Distance 15’ (W) x 12’ (H) @ 50 feet

Actual Examples of Field of Vision

This car is parked 10 meters away from the camera. Notice how the car appears
closer and how there is a narrower field of view as the lens size becomes larger,.


 3.6 mm Lens - 78 Degree View


 6 mm Lens - 56 Degree View


 8 mm Lens - 36 Degree View


 12 mm Lens - 25 Degree View

Notice the numbers on the license plate are becoming readable!

Many people chart their property out, and determine the field of view they require for each camera. If you need us to approve your plan, scan it and email us a copy.

We would be happy to work with you to help you choose the right camera and lens for your specific surveillance project.

Most of the cameras we sell can be configure with the lens sizes you require. Our factories can customize your cameras at no extra charge.

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