Athermal IR Lenses for LWIR Uncooled Thermal Imaging Cameras
●  Aspherical and binary optical technology adoped in design
●  Various types of  IR materials are used  
●  Some stocked modules available in fast delivery and low cost
 
It is essential to maintain focus over wide change of the environmental temperature in some applications, the optical and mechanical design of the lenses will maintain the focus position passively, without power, during the changes of the environmental temperature. Hangzhou Shalom EO offers the athermal lenses for LWIR uncooled FPA detectors, the designed modules are listed and the custom modules are available upon customer's request.