Fotodiox Macro Focusing Helicoid - M42 Focusing Helicoid - 16MM to 30M – Fotodiox, Inc. USA
Pentax K SLR Lens to Fujifilm X-Series (FX) Mount Camera Body Adapter – Fotodiox, Inc. USA
Carl Zeiss Carl Zeiss Distagon Distagon T* 35mm F2 ZK PENTAX Pentax K mount with | eBay
Carl Zeiss Planar 80mm F/2.8 T C Lens for Hasselblad 500c/m - Etsy Israel
Amazon.com : Fotasy CY Lens to E-Mount Adapter, Contax Zeiss C/Y Lens to E Mount Adapter, Contax Lens EMount, Compatible with Sony a7 a7r a7s a7 II III IV a9 a9II a7c
Carl Zeiss Planar 50mm f/1.4 T* ZK, PENTAX K Mount (rare), with box, USA seller | eBay
Zeiss 28mm F/2 Distagon T ZK Lens for Pentax K-Mount 1486307