Quote Originally Posted by rbarker
... the Componar was replaced at the entry level by the Comparon, with the "better" grade in that generation being the early Componons. The Componons have since been replaced by the Componon-S, with the top-of-the-line APO Componon HM lenses being added more recently still....
The Componar was a 3-element lens, which coexisted (at least for a while) with the 4-element Comparon. Componon and Componon-S were both available at the same time.

The only enlarger lenses I have used are Meopta Anaret-S and Rodenstock Rodagon. I tried a Componon, but found it no better than my Anaret.