Pentax K mount PK lens to Sony E mount NEX adapter - A9 II A7 A7R A5000 NEX-7 extension tube This is the programmable EMF

This is the programmable EMF AF confirm chipped lens adapter ring with built in circuit board for Canon FD mount lens on your Canon EOS EF mount camera

Automatic Extension Tube Set is combined of 2 rings - 10mm

) to 40mm (max

Type of Focus: Manual

Pentax K mount PK lens to Sony E mount NEX adapter - A9 II A7 A7R A5000 NEX-7 extension tube This is the programmable EMFFor using Sony E mount mirrorless digital cameras with all Pentax K mount manual lenses. Switching on "Release w o lens" is needed on E mount cameras. Switching shooting mode to M (manual) is recommended. Allows focus infinity. Not suitable for Sony A mount DSLR cameras.