The base of operations is "USED" lens. You can add a mount exchange function. (Additional each US$200.) I'm offering Complete Ver II Contax 645 35mm lens for LPL mount  It's lens converted for PL Mount by a professional lens technician. Front diameter size is 114mm !  (You can change the front element size if you like. However, an additional period of about one week is required.) Lens Re-housing.  "Internal focusing movement, lens do not move in length when focusing" It's well machined, focuses correctly at infinity and all function works smoothly. It performs so sharp image. Over all lens itself is in great shape. The mount is made of Stainless. You can specify the distance display and the lens name engraving method ! If you provide an illustration file, you can engrave your logo ! See my pictures.  Front and Rear Caps are included.  It's shipped out via EMS ( Korea Post ) Additional charges(in invoice) will occur in countries that do not apply to EMS .