M lenses are the compact series that was released for the MX, ME and
the like. The A series lenses have contacts to communicate aperture to
the camera. They followed on the heels of the M series. You might also
have heard people speak of the K series or SMC Pentax lenses. These
were released following the development of the first Pentax bayonet
mount cameras, including the K1000. I believe the consensus has it that
the SMC Pentax 28/3.5 (K series) is the best of the 28/3.5 lenses, but
opinions may varay. . By the way, the M and A series all carry the
letter designation, as in SMC Pentax-M or SMC Pentax-A. The K series
lenses are marked only with SMC Pentax. Hope this helps a bit
Paul
On Dec 12, 2004, at 9:28 PM, Gateway wrote:
I see that some people refer to M or A type lenses. I assumed that that
meant they were auto or manual but seemingly not.
What does it stand for?
I was looking for a 28/3.5 but apparently one is better than the other.
if anybdoy has any thoguths on the 28/3.5 they would be appreciated
also.
Gareth
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