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
Old Canon Lens Mount Canon Old Lens Adapter Canon Rebel To Old Lens Mount Lens Mounts For Canon Old Canon Lenses Mount T Mounts For Canon Lseries To Old Canon Adapter Old Canon Lenses Adapter Old To New Canon Lens Adapter Nikon Black Precision 30mm Medium Mount 16406
Best Filter Lens For Portraits Sunpak 67 Mm Uv Lens Filter Fujifilm X100f Lens Adapter Canon Ad 38 Adapter Custom Milled Lens Adapter M42 To Fuji Lens Adapter Vintage Camera Lens Mounts Nikon Dx And F Mount Sony Dvd Player Adapter Sony A6000 E-mount Objektive