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
Tamron 70-200 Canon Mount A Mount Lens Adapter A-mount To E-mount Lens Adapter D Mount Lens Adapter E Mount Lens Adapter F Mount Lens Adapter L Mount Lens Adapter T Mount Lens Adapter X Mount Lens Adapter F-c Mount Lens Adapter
Nikon Filter To Hasselblad Lens Fujifilm E Mount Adapter 10mm E Mount Lens Kipon Canon Ef-nikon Z Adapter Metabones Canon Ef Smart Adapter Leica Mount Digital Camera Sony A200 Lens Adapter Best F Mount Travel Lens Eos 7d Lens Mount Dx-format Nikon F-mount Cameras