----- Original Message ----- From: "Oh Cheng Yu" <[EMAIL PROTECTED]>
> This is my first post here after joining this list for a year or so. I have > the K 18mm f/3.5 which was passed down to me by my father. From this list, > this seems to be a rare and highly regarded and hardly mentioned. From my > experience, at f/3.5 corners are soft and is prone to fringing. Corners > improve at f/5.6 but fringing still present at high contrast edges. The > fringing is gone by f/8. The K 18/3.5 is probably not as sharp as the 15/3.5 or the 20mm lenses. It also have very soft corners at F:22. P�l
