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
Ricoh Gr Iii Lens Filter Different Canon Lens Mounts Different Camera Lens Mounts Different Nikon Lens Mounts Different Types Of Lens Mounts 2 Different Canon Fd Mounts Different Types Of Canon Mounts Different Leica Lens Mounts Different Sony Lens Mounts Ffd For Different Lens Mounts
Hoya 52mm Uv Lens Filter Canon Fd Mount Adapter Sony Blu Ray Wireless Adapter Canon 200d Battery Adapter Iphone 14 Pro Lens Adapter Iphone 5 Lens Adapter 5mm Clear Lens Mount Nikon To Pen Ft Adapter Wireless Adapter For Nikon D5300 Sony Nex 5 Nex-5c E-mount Camera