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geometrical optics
paraxial conjugation

conjugation by a thin lens

Fill in all input cells.
Choose all parameters unit.
Except D which is strictly positive, distances and dimensions are algebric.
Positive directions are according the arrows in the bottom right of the scheme.

sito be calculated
mto be calculated
zto be calculated
zito be calculated
NAto be calculated
NAito be calculated
conjugation by a thin lens
s : distance from the lens to the object plane fi : effective focal length D : clear aperture m : magnification si : distance from the lens to the image plane z : distance from the front focal plane to the object plane zi : distance from the back focal plane to the image plane NA : numerical aperture in the object space NAi : numerical aperture in the image space

This calculation page can not detect all unrealistic inputs.

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