Pentax-A SMC 28mm f/2.8 F2.8

Eric Weir eeweir at
Sat Jul 10 18:35:36 EDT 2010

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
eeweir at

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