PK-EOS For Pentax PK K mount Lens - Canon EOS EF Mount Adapter Ring PK-EF K-EF for Canon 5D 5D2 5D3 5D4 6D 6D2 90D etc.

PK-EOS For Pentax PK K mount Lens - Canon EOS EF Mount Adapter Ring PK-EF K-EF for Canon 5D 5D2 5D3 5D4 6D 6D2 90D etc.

Aliexpress UK