This Old(er) Lens: Pentax 100mm f/2.8 non-WR Macro Lens Review – the one I ignored. I have written about this lens’ successor before. Several times in fact. There is that initial review and other posts like the favorite Pentax lens post I wrote for KEH and a recent agnostic top ten lens post. In the … Continue reading This Old(er) Lens: Pentax 100mm f/2.8 non-WR Macro Lens Review – the one I ignored.