finesse.utilities.homs.lens_diopt_to_f¶
- finesse.utilities.homs.lens_diopt_to_f(f, d)[source]¶
 Convert a dioptre shift, at a lens, to a focal length.
- Parameters
 - ffloat
 The initial focal length of the lens.
- dfloat, array-like
 A value or array of values representing the dioptre shift.
- Returns
 - outfloat, array-like
 The new value(s) of the focal length.