Canon Broadcast and Communications Division Calculate Depth of Field This calculator will give you the depth of field (HDTV and SDTV). Depth of Field and Depth of Focus Enter 3 figures in the column and click "calculate". Enter "Fno." of the lens ( e.g. 2.8 )   Enter object distance "" feet meters Enter focal length "" of the lens in millimeters ( e.g. 50 ) millimeters       2/3" SDTV (4:3) 2/3" HDTV (16:9) 1/2" SDTV (4:3) 1/2" HDTV (16:9) Rear Depth of Field "" feet feet feet feet Object Distance "" feet feet feet feet Front Depth of Field "" feet feet feet feet

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