Contax-Киев RF (external bayonet) adapter to  Sony Nex e-mount  

Jupiter-12, Jupiter-11, Jupiter-9

Tested on USSR Lens Jupiter-12.

Jupiter-12 due to the rear lens, only suitable for full-frame mirrorless cameras

Make from ABS plastic.

Jupiter-12 due to the rear lens, only suitable for full-frame mirrorless cameras

Camera and lens on photo not included.