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.