CCTV Calculator for Focal lens

This calculator will allow you to find the most suitable focal for your exigency: insert the resolution, the distance from the object that you want to frame and the width (Horizontal FOV).

Resolution
D1       (4:3)     720x576 WD1     (16:9)     960x576 HD      (16:9)    1280x720 1.3MPX   (4:3)   1280x1024 2.0MPX   (4:3)   1600x1200 FULL-HD (16:9)   1920x1080 3MPX     (4:3)   2048x1536 4MPX     (16:9)   2560x1440 5MPX     (4:3)   2592x1944 8MPX 4k (16:9)   3840x2160

Distance from the object

{{lunghezza}} m

Width of the subjects (Horizontal FOV)

{{mA}} m

Focal suggested: {{(((4.8*lunghezza)/mA))*1.003| number: 2}} mm

Field framed: {{(2*(Math.atan((mA/2)/lunghezza))/0.017) | number: 1}} °

Resolution : {{formula=((((Math.sqrt((1000000*risoluzione))/(mA*1000))))*993) | number: 0}} px/m

Monitoring

Detection

Observation

Recognition

Identification

Strong Identification

values based on ISO EN50132-7 standard

Indicative values based assuming the dimension of the sensor is 1/3'' and the camera Is placed at 4 metres from the ground