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
Canon Fd Nikon Adapter Canon Fd To Nikon Adapter 1 C Mount Lens Nikon To Fd Adapter E-mount To Canon Fd Canon Fd Nikon 1 Adapter Nikon Lens To Fd Mount Adapter For Fd Lenses To Nikon Fd Mount On Nikon Fd Mount To Nikon
Leica M Adapter L Silver Pentax K Mount Pancake Lens Metabones Canon Lens Adapter Contax Slr Lens Mount Minolta Sony Lens Mount Nikon D5100 Adapter Celestron Tamron 15 30mm Nikon Mount Adapter Sony Photo Frame N50 Sony 400mm 2.8 E Mount Sony Alpha Bodies That Use A-mount Lenses