Lens Guidance
2.8 mm: wide area coverage
4 mm: general surveillance
6–12 mm: narrower detail views
REKON TECHNOLOGY
Camera Field of View Calculator
Calculate horizontal and vertical viewing angles, scene width, scene height, pixel density, and estimated identification performance for modern surveillance cameras.
FOV • PPF • PPM
CAMERA INPUTS
Camera and scene setup
RESULTS
Coverage and image detail
Ready
Enter the camera details and calculate.
Horizontal FOV—degrees
Vertical FOV—degrees
Scene Width—at target distance
Scene Height—at target distance
Pixel Density—pixels per foot
Pixel Density—pixels per meter
Target Detail
Pixels Across Target—
Estimated DORI Level—
Lens Classification—
Aspect Ratio—
Coverage Visualization
Pixel Density Guidance
~20 PPF: detection
~40 PPF: observation
~80 PPF: recognition
~125 PPF: identification
Design Note
Calculated values are planning estimates. Final camera selection should account for mounting height, angle, lighting, compression, motion, shutter speed, and manufacturer-specific optics.
