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
Sony E Mount Lenses Wiki C Mount Lens Wiki Lens For Z Mount Wiki Lens Mount Types Wiki M12 Lens Mount Wiki Sony E Mount Lens Wiki Sony Pl Mount Lens Kit Pentax K Mounts Wiki Sony A Mount Cameras Wiki Sony E Mount Camera Wiki
E Mount Wide Lens Gopro 7 Lens Adapter Sony Rx1 Lens Adapter Leica Lens Adapter For Canon Best E Mount Manual Lens T-bdca Direct C-mount Adapter For Nikon Eclipse K Mount Lenses On Nikon Voigtlander Nikon S Mount Sony Headphones Plug Adapter For Windows7 Sony Vaio Battery Adapter Vgp-bc10