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Since the first inversion codes appeared more than two decades ago, Stokes
inversions have become an indispensible tool for the interpretation of solar
spectro-polarimetric data. Although qualitatively much has been learnt from the
results, the quantitative analysis of solar properties has remained considerably
more ellusive, due to large uncertainties in the reliability of the results.
Degradation of the data by instrumental effects and contamination of the data by
stray-light, contribute strongly to this uncertainty. In this talk, I will discuss
ongoing efforts towards improving this situation, by including a more complete
formation model of the data, and a consistent treatment of stray-light. |