Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K brand_Lowepro You will need to respool

You will need to respool 120 film  onto a 620 spool yourself

5 Ektar lens and a trick two-way rear door for film loading

The Kodak Medalist II is a classic medium format camera with a retractable 100mm f3

NOTE: this is not for the manual-focus C/Y mount

Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K brand_Lowepro You will need to respoolTamron 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.