I just found that there is a 200mm lens at my school. It is a Canon with Image Stabiliser (with red detail). It is old, at least 10 years. It has been great playing around with it, but I really don't know what it is good for. What type of photos is it built for. I recall vaguely a friend telling me that a lens with no room to change the zoom will give you better focus... but apart from that I am not sure what type of photos it is good for. I want to take it to the sports field and capture some sports in action.
Update: The lens is a "Canon EF 200mm 1:2.8 L II Ultrasonic". It does not say anything about image stabiliser :(