Events in Uncharted: Drake's Fortune Edit
When Nathan Drake discovers the telescope on a table within The Fortress, he uses it to sight the customs house within the drowned city. He sees the burnt and crashed ships and realises they never left. He then sees that Elena is in trouble and shoots at the pirates that are about to shoot her.
The telescope is a light and dark brown one with white ends. The telescope's scope is slightly dirty around the edges.