Calculate Field of View (FOV) Enter the CCD Chip Size, Lens Size, and Distance to Object: Chip CCD Size: 1/2" 1/3" 1/4" Lens Size:  mm Distance to Object:  ft. Angle of View:  deg. Height:  ft. Width:  ft. Calculate Required Lens Size Enter Chip CCD Size, Distance to Object and either the minimum required Scene Width or Height: Chip CCD Size: 1/2" 1/3" 1/4" Distance to Object:  ft. Minimum Width:  ft. (Or) Minimum Height:  ft. Lens Size:  mm

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