Camera lens broken glass, you can repair it
2, maintenance costs ... ... may even be cheaper than buying a new lens how much!
So, before deciding on the maintenance, first consider these two issues clearly Ha!
But ... there are two questions you have to consider:
1, broken may not only the lens, there are other parts of the lens inside, especially the lens is a very high degree of precision things, so that after a fall can guarantee accuracy ..
Sure to be able to repair.
In the sale where the lens can be replaced.