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geometrical optics
chromatism


axial chromatism of a thin lens ( free )


Caution
Fill in all input cells.
Choose all parameters unit.
vd can be either a value or the reference of a glass from the catalog.
Distances are algebric.
Positive direction is according the horizontal arrow in the bottom right of the scheme.

InputValueunit
x
fi
vd
OutputValueUnit
dxito be calculated
axial chromatism of a thin lens
x : algebric distance from the lens to the object fi : average effective focal length ( distance from the lens to the back focal point at 587.56 nm ) vd : constringence dxi : axial chromatism

Note
This calculation page can not detect all unrealistic inputs.



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