I notice there are a few Konica Hexanon AR lens owners in this forum, and I am interested in their opinions on that lens lineup, especially as regards to using on m4/3. I did a brief search on eBay and found a vast array of prices, even for the same lens. I have also looked at the buhla.de website, which seems to have a lot of useful information www.buhla.de - Overview Konica SLR Hexanon and Hexar lenses But the opinions of m4/3 owners are my primary interest. Are there (affordable) hidden gems ? Are they worth collecting/using (given manual focus only) ?