CCD Focal Length Calculator

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Focal Length of Lens 1/3" Imaging Sensor 1/4" Imaging Sensor
2.8mm 82° 65°
3.7mm 65° 53°
4mm 62° 50°
4.8mm 53° 42°
6mm 44° 34°
8mm 34° 27°
12mm 23° 18°
16mm 17° 13°
25mm 11°
50mm
75mm 2.5°

 

Lens field of view illustration

 

Car is approximately 40 metres away, shown here at different focal lengths:

Car at 40 metres through a 5mm lens
Car at 40 metres through a 25 mm lens
Car at 40 metres through a 50 mm lens
View at 5 mm focal length
View at 25 mm focal length
View at 50 mm focal length

A 65 degree camera angle will give the following view in a square room

65 degree anglle in room

 


CCD Sensors are Generally 1/3 Inch, with exceptions. Please check for accurate results.
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Designation
Number
Required Data Entry
CCD Size Inch
Distance From Lens To Object
Maximum Size Of Target Object
    

Calculated Results :

Maximum Focal Length mm
Minimum Field Of View Degrees

 


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