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  • LWIR Triple Field-of-View Lens
Jul 2007
StingRay Optics LLCRequest Info
KEENE, N.H., June 11, 2007 -- StingRay Optics of Keene, N.H., said it developed a motorized infrared triple field-of-view lens assembly in response to a request for a specialized lens assembly intended for use with a cryogenically cooled long-wavelength infrared (LWIR) camera system.

The lens objective is optimized for use over the 7.0 to 14-um band range with discreet positions corresponding to focal lengths of 75, 150 and 300 mm at a speed of F/2.0. The corresponding fields of view, when used in combination with a 12-mm focal plane array, are approximately 9.2, 4.6 and 2.3 degrees, respectively. 

TFOV.jpgThe  precision mechanical housing includes an integral adapter to interface the lens assembly to the host camera. The interface scheme accommodates a range of interface geometries to suit various camera configurations. All eternally exposed lens surfaces are available with or without hard carbon or diamond-like coatings, if specified at order placement.

An alternate version of the 4:1 lens includes an optional control sequence to upgrade the lens to a fully continuous zoom design(additional costs may apply).

For more information, visit:; e-mail:

Stingray Optics LLC
310 Marlboro St.
2nd Floor
Keene, NH 0343
Phone: (603)358-5577


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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