Select Imager Format: Imager Dimensions    mm    mm 1/5 1/4 1/3 1/2 2/3 1.0 Enter two or three criteria and perspective, then click 'CALCULATE' button. Distance to Object=   Units   Desired Field of View=   Units Lens Focal Length=   mm   (Specify F.O.V.   Perspective-->) Horz. Vert.

Calculations: Horiz. Field-of-View =   Units Distance = Units Horz. FOV =   Deg. Vert. Field-of-View =   Units Lens = Units Vert. FOV =   Deg. Diag. Field-of-View =   Units

Optional Monitor Perspectives: Object Dimension =   Units Specify-->   Horz.   Vert. Monitor Size --->      9"     13"     15"     16"     20"     27"   Monitor Dim.=   x H Monitor % =   % Object Dimension as measured on monitor screen=   "   V Monitor % =   % * Units can be of any measurement as long as consistantly used.