Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K brand_Fotodiox Includes neoprene pouch

Includes neoprene pouch

all-metal lens for the M42 screw mount (except the see-through part

is not included

which is compatible with any Nikon lens that has those little "rabbit ears" on the diaphragm ring

Includes Canon LP-E6 batteries

Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K brand_Fotodiox Includes neoprene pouchTamron F 2x PZ AF BBAR MC7 teleconverter for Pentax K mount cameras and lenses. This is an "autofocus" teleconverter with passthroughs for electronic contacts and mechanical focus coupling. So it will autofocus in theory, but autofocus performance will vary with lens, camera, and shooting conditions so don't bet the farm on it.