Canon FD 300mm Telephoto Prime Canon 

Fast T2.8

Bayonet mount (other mounts eg. PL widely available)

2x Optical Doubler ( NB this has a small scratch only visible when stopped down 16-22 )

Comes with custom lens support (pictured)

Flight case with custom-cut foam

Included lens hood doesn't lock

Lens is in Very Good Optical Condition