numerical aperture & objective lenses explained - numeric aperture
How to calculateFOVmicroscope
*If your magnification is outside of 0.1 to 10, or ratio of WD/FOV is very high or low (0.05 to 20), or your FOV/Sensor size is very high or low, or you have a very short WD (less than 100mm), or have any questions, contact us first!
Calculating fovcamera
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WD - Working Distance - distance from the front of the lens FOV - Field of View, width of picture FL - focal length of the lens.
This focal length to FOV lens calculator is a first order calculator and is very useful for most machine vision applications*.