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
Olympus Om-1 Lens Mount Olympus Om Lens Mount Tilt Shift Adapter Für Canon O Om Lens Mount Olympus Om 2 Lens Mount Olympus Om-d Lens Mount Om E Mount Lens Om Mount Lens List Om Mount Pancake Lens Om To E Mount Lens Turbo
Moment 1.33x Anamorphic Lens Adapter Mft Adapter In Soa 12c Nikon Lens Mount Screws Neewer Canon Ef Adapter Tamron 100-600 Canon Adapter A7rii Leica M Mount Nikon Adapter F Mount Lens Cap Mamiya 7ii Lens Mount Periscope Lens Ef Mount Nikon Adapter For Nikon Coolpix L31