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 55-300mm E Mount Soligor 135mm F2.8 Canon Eos Mount 135mm F2.8 Pentax K Pk Mount Lens Spiratone Lens With T2 Mount Spiratone T Mount Lens Minolta Af 135mm F2.8 A-mount Nikon Mount 135mm F2.8 Tokina Rmc 135mm F2.8 Nikon Mount Vivitar 135mm F2.8 Nikon F Mount Zeiss Batis 135mm F2.8 Sony E-mount
Nikon Solar Lens Filter Kit Sony E Mount Lens Cap M39 To Mft Adapter Sony 70-300mm E Mount Used Fuji C Mount Lens Canon Fd Lens Mount Converter Canon Bayonet Lens Adapter 70-200 70-300 F4 Lens Nikon F Mount Sigma Apsc E Mount Lens Sony Subwoofer Wireless Adapter