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Lens Calculator

Lens Calculation Instructions: Field Of View (FOV): Select the Imager Size, Focal Length and Distance to Target and press the Calculate button. Lens Focal Length: Select the Imager Size, Distance To Target, And either Width of Target OR Height of Target and press the Calculate button.    The Camera: Imager Size: 1/4" Imager 1/3" Imager 1/2" Imager 2/3" Imager 1" Imager  The Lens: Focal Length: mm  Target: Distance to Target: ft. Height of Target: ft. Width of Target: ft.     Download A Printable Lens Specification Chart Here