23 suitable for most occasions, equivalent to the 35 perspective of the 135, far and near can be, so it is a more classic perspective of humanities, the head of the
The quality is relatively good;
35 is equivalent to the standard head perspective, the composition is relatively easy, do not have to get too close, is also a more classic perspective.
The above is actually a meaning, these lenses do not conflict, the choice of recommendations first experience, see their own preferences