Fotodiox Pro Lens Mount Adapter - Canon FD & FL 35mm SLR lens to Canon EOS EF, EF-S Mount SLR Camera Body, with Built-In Aperture Control Dial. Lens Mount Adapter. $34.95. AF Doubler x2.0 for Canon EOS EF Lenses and EF / EFs Cameras Fits Full Frame Lens Mount Adapter. $99.95. " EF-S lens compatibility with EF-mount adapter Canon lenses via Metabones adapter to Sony a7s ii" I don't know if you can or not but I would really like to know, why? Why would you want to anyway? I understand why folks would want to adapt "L" lenses but not the consumer grade ef-s lens. Sony has equivalent lenses to the ef-s line up already. 10/04/2016 · Here’s a round-up of Auto Focus Canon EF Smart Adapters and Manual Focus Canon EF lens adapters for Sony E-mount mirrorless cameras including Sony a7, a7R, a7S, a7 II, a7R II, a7S II, a7 III, a7R III, a9, Sony a5000, a5100, a6000, a6300, a6400, a6500 and Sony NEX mirrorless cameras. Time for another change. This mount was introduced in 1971 with the Canon F1 and lasted until the EF mount was introduced in 1987. The FD allowed for closer integration mechanical between lens and body. All lenses I’ve mentioned so far R/FL/FD were manual focus. Canon produced 134 FD lenses.