High temperature metallurgical furnace pinhole lens, can be used for real-time monitoring high temperature and high pressure dusty and other harshly environment and special places, such as oil boiler, glass melting furnace, steel smelting furnace, cement furnace, etc.

Features:
High temperature resistant
Real-time monitoring of high temperature metallurgical furnaces
High image quality
Large and wide field of view
Large depth of field, small distortion