Funleader started selling a separate DIY Helicoids for the Contax G45 f/2 lens to Leica M-mount conversion. The Helicoid will allow you to convert your own Contax G45 f/2 lens to a Leica M-mount version (the original G45 lens is available on eBay). The Helicoid conversion is much cheaper than the already converted lens ($539 … Continue reading Now available: DIY Funleader Helicoid for Contax G45 f/2 lens to Leica M-mount conversion