F92782~ Miranda Bayonet Mount Vivitar T4 Mount Adapter - Used | eBay
Amazon.com : Lens Adapter EF-EOS R Compatible for Canon EF/EF-S Lens to RP R5 R6 Camera, Lens Mount Adapter Converter with Detachable ND Filter : Electronics
Need help to identify adapter labelled "SL"
Glass, Metal and Silicium - Soligor / Vivitar 21/3.8 in T4 mount
ADAPTER T4 MOUNT LENS VIVITAR FOR CAMERA NIKON OR CANON - YouTube
I just bought this Vivitar t4 lens and it was advertised as being an FD mount, but it doesn't fit. Is there something I'm missing? If it's not FD what mount is