Focometry

The focometry consists of the experimental determination of the focal distance from a optical Lentille

Various focusing methods

One can quote:

method of Autocollimation;
the Method of Bessel to determine the focal distance of a convergent lens;
the Method of Silbermann;
the Method of Badal to determine the focal distance of a divergent lens;

References

"Optique" , HPrépa, 1st year MPSI-PCSI-PTSI, Hatchet

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