Because A40 spectral bandwidth wider than the conventional filter, it is natural to see objects clearly than you feel to conventional filters (black curve), which is all the advantages of true color filters.
Since the A40 has a wider spectral bandwidth than traditional filters, it's natural to see that objects feel clearer than your traditional filters (black curves), which is also an advantage of all true color filters.
Because the spectral bandwidth of a40 is wider than that of traditional filter, it is natural to see objects more clearly than your traditional filter (black curve), which is also the advantage of all true color filters.