See photos
asahi PENTAX PK m42 mount Adapter K m42 lenses to k mount
unbranded PK K & M fit m42 mount Adapter m42 lenses to k mount
FOTGA M42-NZ Tilt Lens Adapter for Takumar M42 Lens to Nikon Z Mount Camera
Vintage Ozeck II Match Multiplier 2X MC Teleconverter Olympus Fit & Case VGC
AICO 7-Element Auto Teleconverter 2× MC for Canon FD Mount
Vivitar 2× Matched Multiplier Teleconverter – Minolta MD/MC Mount
