62mm Macro Reverse Adapter Ring for Pentax K PK mount This lens mount adapter allows any 62mm lens become a Macro lens on Pentax PK K camera body.Therefore,you dont need to buy any Macro lens.Although the lens will fit physically,automatic diaphragm,auto-focusing,or any other functions will not operate correctly with using this adapter. 62mm Male thread Brand new,never used Made of metal Color:black package includes: Macro reverse adapter ring×1 Suitable for: Pentax K/PK camera body (film or digital SLR body)