I recently got a 500D and have a Blackcap that has overwintered in my garden, It uses a feeder but its to far away for my kit lens, I want to get an L series tele so am holding out untill I have the funds, But, I have a screw thread Sussian Tair 300mm and have seen a T2 adapter, Question is, Is this able to fit this lens to my Canon albeit at manual focus, And am assuming it will be an equivalent of about 460mm?
