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DVR Lens Calculator

Step 1

Units Preference

Metric US

Step 2

CCD Chip Size

Step 3

Enter any 2 of 3 Below

Target View Width

- OR -

Distance to Target

- OR -

Lens Focal Length

mm

CCD	Focal Length (mm)	Distance to Target	Target Width	Target Vert	Horz Angle	Rmv

Also checkout the Lens Plots