DVR   VIDEO TECHNOLOGY MAGAZINE
DVR Video Technology                                

Field of View Calculator

Instructions:

1.      Select the lens format you are using.

2.      Enter any 2 of the 3 other pieces of information.

3.      Press the "Calculate" button to get the missing piece of information. (Press the "Reset" button to clear the form and start over.)

Select lens format:    1/4 inch
1/3 inch
1/2 inch
2/3 inch
1 inch

Enter distance to object (in feet):  1

Enter width of picture (in feet): or  2
Enter height of picture (in feet):  2

Enter size of lens (in millimeters):  3