The 55 1.8 and 2.0 are identical lenses. Pentax to differentiate them put a ring in the 2.0 to keep it from opening up to 1.8. It is a bit more difficult to find and may be a sleeper as a collectors piece. Otherwise in general any comments about the quality of the 55 1.8 are applicable.

pancho hasselbach wrote:

Has anybody been able to compare 1.8/55 to 2.0/55 ?
I probably have opportunity to lay my hands on a 2.0/55, but I'd like to hear some oppinions first. Is there a great difference, appart from the extra 0.2 f-stop?


Thanks so far,
Pancho

Sonar Aror wrote:

Yep, you're right. It's the K 55. Quite encouraging indeed, soft at
wide open but then a typical Pentax prime (contrasty and sharp) when
stoped down a bit. Thank you!


On Tue, 15 Mar 2005 21:44:40 +0100, Thibouille <[EMAIL PROTECTED]> wrote:


I guess you mean K 55mm 1.8 ? There is no M 55mm.

It is a bit soft wide open but very honest if you close a bit ...
On a K body, it has the HUGE (for me) advantage that you see in the
viewfinder the same way you see with your eyes. OK I know it is not
clear at all but my English shows its limits here...





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