CCTV Lens Calculator

Determine the exact lens focal length (mm) required to cover your specific target area.

How far is the target (e.g., a gate or door)?
How wide is the area you want to see?
Pro Tip: 2.8mm is for wide rooms; 6mm+ is for long corridors.

Recommended Lens

0.0 mm
Standard View

Approx. 75° Field of View