My new Lomography Jupiter 3+ arrived tonight and in my haste to try it out I missed the conversion ring included in the pack. Resigned to the fact that my new lens was a basically useless, I thought I'd give free lensing a go. kind of tricky with a rangefinder manual lens, but try I did, and this was pretty much straight out of the camera. About twenty minutes later having decided to explore the rest of the box I found the adaptor. Oops.