The adapter for a EOS body to a Canon FD manual is the adapter needed. The Canon AE1 uses the FD/FL lens mount. The one I purchased works without a hitch. Mine is a K&F Concept Pro lens mount for Canon FD, FL lenses. From a F1 to a 5D Mark 4 with no issue. 

Hola. La distancia focal de tu lente (50mm) o la cantidad de luz que permite pasar (1.8), al igual que la marca (Canon) no tiene nada que ver con que un filtro le quede a tu cámara. Para que verifiques si el filtro es del tamaño correcto del lente (objetivo) en donde lo vas a poner, tienes que mirar el diámetro de ese lente u objeto y el del filtro. Es decir que tanto el lente u objetivo como el filtro que decidas ponerle deben tener el mismo diámetro 

FD-EOS fit for Canon FD mount lens and canon EF mount camera body. canon 60d is EF mount, so the adapter ring can work with your camera, but you need to check your lens mount. could you pls let us know your lens specific model? service(AT)kentfaith(DO NOT)com, Please note: It is not same between Canon FD mount and EF mount, this adapter ring is only for Canon FD mount lens, please contact us if you want to purchase for Canon EF mount lens. 

Yes the FD-NEX adapter is what you need. I also have a a6000 and a Canon FD 50mm , 28mm, and a 300mm and they all work well with this adapter. 

If you are referring to the Panasonic DMC-G7, then yes, it will adapt any Canon FD mount lens to any micro 4/3 mount camera. Including yours.