Of course, you won't be able to make 30x40 enlargements without some loss of detail.
Then again, who the heck ever makes an enlargement that big very often? !?
Stunning clouds and sky. I can see why you love the SD-9, Jes.
It was me who had the trouble with removing the Polish adapter. I cranked it on too tight, and it sort of "welded" itself into the mount. I finally got it off by putting the whole thing in the freezer to contract the metal, then with rubber gloves I was just barely able to get it off. (Whew).
Now, when I use the adapter, I screw it VERY firmly onto the lens first, then screw a little less firmly into the mount. Has been working very well by that order. The adapter comes out with the lens, and then it's easy to take off of the lens.