The Belenus LWIR lens offers a fixed focal length of 7.34mm. Athermalized to withstand widely ranging temperature variations without losing focus. At .83 lb (349g) and only 2.17 x 2.5′, the Belenus is a tiny workhorse.
In stock matched to the FLIR 640
Custom mounts available to spec
Manufactured in the US by Computer Optics, Inc. Available now, only at IRZoom.com