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Lens Tools

Industrial Machine Vision Lens Calculator and Selection Tools

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Field of View (FOV) Lens Calculator

Select Sensor size:
Select Units of measure:
Distance to object:
Object (or FOV) width:
Object (or FOV) height:
Lens focal length: (mm)
Spacer:

How to calculate:

  • Distance to object:
    1. select camera sensor size
    2. enter object width or height
    3. enter lens focal length
    4. click "Calculate Obj Dist" button
  • Object size (FOV):
    1. select camera sensor size
    2. enter object distance
    3. enter lens focal length
    4. click "Calculate Obj Size" button
  • Lens focal length:
    1. select camera sensor size
    2. enter object distance
    3. enter object width or height
    4. click "Calculate focal length" button

FOV Resolution (pixel size) Calculator

How to calculate:

  • Pixel Size :
    1. enter CCD width and height in pixels (ex: 640 x 480)
    2. enter object or FOV width and height (ex: 4 x 3.75)
      Note: width and height will be adjusted to the maintain the correct FOV proportions.
    3. click "Calculate" button

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