kfconcept
There are two types of FD mounts
FD/FL Breech-Mount (with a silver ring, you need to rotate the silver ring when attachment and removal), breech-lock mounts are identified by the silver ring
New-FD Bayonet Mount, bayonet mounts are identified by a red dot next to the lens release button
Here are the steps to install breech-mount version
Operating the adapter
Canon Bayonet Mount Lens Bayonet Mount Lens Adapter Canon Canon Bayonet Lens Adapter 1 3 Bayonet Lens Adapter Bayonet Mount Lens Adapters Om Bayonet Lens Adapter Screw To Bayonet Lens Adapter 1 3 Bayonet Mount Lens C Y Bayonet Lens Mount Tamron 18-200 Pentax Mount
Tamron Canon Mount Lenses Nikon T Mount Adapter Voigtlander Pentax K Mount Canon Eos 60d Wireless Adapter Leica Sl Adapter Für R Objektive Nikon D7000 Lens Mount Replacement Sony Ais To 3.5mm Adapter Huff E Mount Sony Lenses Sony 24-70 2.8 Fe Mount Sony A5100 With A-mount