As we all knew, the specification of the "DA"35/2.4 is actually a DAL. In fact, it has none of the standard features of any other Pentax DA lens that has, namely, a metal mount and the Quick-Shift-Focus (QSF) mechanism as well as a focus scale with distance marks. But it has only a plastic DAL K-mount instead.Frankly, I myself do not have particular preference of using metal over plastic for the
