It requires 49 Smithing to make the steel frame and 49 Crafting to make the glass lens. The Lamp oil used for fuel is obtained by distilling swamp tar in the chemist's house in Rimmington or at the lamp stall in Dorgesh-Kaan. This will create a bullseye lantern (oil). After filling the lantern with Lamp oil a player must use a tinderbox to light the lantern. There are four different items with the same name, and all but the lit lantern are tradeable on the Grand Exchange.