i'm a real noob..
How excatly do u read the number/code on the lens?
e.g. - AFS 17-55f2.8( what is afs?) whats 17-55? whats f2.8?
AF 300mm f2.8
How would u know if the lens is suitable for the photo your taking?
is there any website that tells u all the nikkor n 3rd party lens that can be use on ur cam?
what are filter for? how many kind of filters do it comes in?
btw i'm using a D60..