> >> Collected comments (just 1, actually) on the 50/2.8 PKA, which > >> has a max. magnification of 1:2: O.U. Peterson: "All metal. > > > Wrong, its partly plastic, > > It does seem to me as if the aperture ring is probably plastic. > However, the aperture ring nonetheless seems to have a nicer feel > than the more obviously plasticky aperture ring on the A 50/1.7. >
And the focus ring is plastic. > > but this lens has also a floating element ( am I the first to have > > noticed this ?) > > I hadn't noticed, but I don't really know how I would. Just what > did you see that allowed you to determine this, George? > > Fred I noticed a zoom lens like mechanism when looking in the lens from the back. And indeed, the second lens/group seen from the front does move as a function of the focus ring. George - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .