canon a1

Hi, I'm hoping someone may be able to help. I recently bought a Canon A1 with a 50mm FD f /1.8 S.C lens. Canon FD 50mm F/1.8 (II) There is no green A for automatic on my lens. It only has the aperture numbers and a green circle at the end. Does anyone know if the green circle performs the same...

I would just like to start my time here by saying hello to everyone. I've had camera's pretty much my whole life but, I consider myself to be a hobbyist/novice. I have digital cameras and accessories that I really enjoy using but lately, I'm starting to revert back to my film cameras that I...