Abstract: A heating device for a lens, and an optical camera and a method for manufacturing same. A lens (1000) comprises a lens body, the lens body has a first surface (1100) and a second surface (1200) which are opposite to each other, and an edge (1300) that connects the first surface (1100) and the second surface (1200). The 5 heating device (1400) comprises: a heating unit adapted to be arranged on the edge (1300) of the lens body and used for transferring heat to the lens body after being powered. The heating device (1400) can achieve at least one of the beneficial effects such as a simple structure, high heat efficiency, uniform heating, safety in use, and strong weather resistance.