The lens came from a non-working Rangefinder Petri camera.  The leaf shutter was locked open, and the custom Sony E mount was made using 3D printed parts as well as a metal Sony E mount and an extension tube.  The lens works great, it reaches infinity, and the aperture works as well.  The rendering is quite unique, as you can see from the test shots (Sony a7).  I also reduced the close focusing distance from the stock 2.75 ft for further versatility.  Feel free to ask questions.