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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