I managed to pick up one of these at Imaging USA for a slightly discounted price. With a fixed focal length of 50mm, aperture of f/5.6, and completely manual focusing, it sounds like a very no-frills prime. That is, if you go by the bare figures.
The truth is a lot more interesting. This unusual lens, which comes in versions made for both Canon and Nikon mounts, is a lot of fun to use. For starters, it feels like having a concertina attached to your camera! By moving the bellows in and out with your fingers, you vary the focus. And by moving the objective left and right, you add vignetting to the chosen side of the viewfinder and move the point of focus off-center. But the most interesting part is how your images look. There a sweet spot at your focus point and dreamy blur around it.
This lens is considered Lensbaby’s entry level gear and is very reasonably priced, so do consider trying it out for yourself. Meanwhile, I intend to take some very interesting shots with this fun little lens in the future. So stay tuned.