Camera Lens Calculation

Calculate Field of View (FOV)
Step #1 - Chip CCD Size: 1/3" or 1/4"
Step #2 - Lens Size: mm
Step #3 - Distance to Object: Feet
Answer: Recommended Field of View
   Degree - Angle of View
   Feet - Height
   Feet - Width
Calculate Required Lens Size
Step #1 - Chip CCD Size: 1/3" or 1/4"
Step #2 - Distance to Object:  Feet
Step #3 - Minimum Width  Feet
(or) Minimum Height:  Feet
Answer: Your Required Lens Size
   mm - Lens Size
CCTV Lens
Home Camera Lens
View Snapshot
Angle Simulation
Focal Length
Angle
Focal Length
Angle
 
 
2.5mm
120°
14mm
114°
3.6mm
92°
20mm
94°
4.3mm
78°
28mm
75°
6.0mm
Our eyes vision
53°
45mm
51°
12mm
25°
100mm
24°
25mm
18°
135mm
18°
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