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
Pentax K Bayonet Mount Lenses Canon Bayonet Mount Lens 1 3 Bayonet Lens Adapter 1 3 Bayonet Mount Lens C Y Bayonet Lens Mount Anillos Adaptadores Para Objetivos Nikon Pentax Bayonet To Eos Adapter Pentax Kaf2 Bayonet Mount Lenses Pentax Kaf2 Bayonet Stainless Steel Mount Sears Kr Mount Converter To Pentax Bayonet
M50 It Lens 18-45mm Lens Filter Canon Fd Lens Mount Adapter Canon 90 D Lend Mount Camera Adapter Ipad Canon 5d Mark Ii Canon Eos T5i Wall Adapter Canon G1 X Lens Filter Adapter Dslr Camera Lens Adapters Super 8 Camera Lens Mount Pentax Da Fuji X Adapter 62mm Solar Lens Filter