On Jul 10, 2010, at 6:28 PM, Bob Sullivan wrote: > There are more A series lenses, but some are a little rare. > Pentax made a ton of M series lenses for the MX, ME, ME Super, etc. > The A series went with the Super Program and Program Plus cameras. > They are desirable as the apertures are the same as measured on the > latest cameras. > The A 28/2.8, A 50/1.7, A 50/1.4 are all pretty common on ebay and not > too pricey. > There are A 20/2.8, A*85/1.4, A 100/2.8, A 200/4, A*300/4, A 400/5.6. > They are nice lenses, but get more expensive. > Pentax lens history by series is M, A, F, FA, DFA, DA. > The M's and A's are manual focus. > The F's and FA's are the start of autofocus. > The DFA's and DA's are especially for the latest autofocus digitals. > (The DFA's and DA's lose the aperture ring and aperture is only > controled thru the camera.)
Thanks, Bob. I think I can keep all that in mind -- at least roughly enough to be helpful. I've got a couple decent Ms, but now I'll be on the lookout for As. ------------------------------------------------------------------------------------------ Eric Weir Decatur, GA USA eew...@bellsouth.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.