A camera lens is arguably the most important part of a photographers set-up, to the point where most professional photographers would rather shoot with an ok camera body as long as they had a top-quality lens rather than the other way around. However, if you are just entering the world of DSLR lenses, at first glance they can be a bit overwhelming. Exactly what do all those numbers and letters on the side mean? Which lens should I get and exactly how do they work?
It may seem like magic, but it is actually pretty simple. Read on.