----- Original Message ----- From: Steve Pearson Subject: Re: A or M 1.7 Vs. 1.4?
> Keith: > > Which version of the 50mm, F1.4 lens, w/ a 52mm > filter, do you have? Is this an A or an M, or SMC, or > other? Pentax did not do me any favors with all of > these confusing options! A 50mm f/1.4 lens with a 52mm filter is a K. The M and A lenses were 49mm front. The K and M 50mm f/1.4s are quite different lenses. I think you need one of each. William Robb

