For some people and projects, only a custom lens will do. But for many, the perfect lens is already available, as a commercial off-the-shelf (COTS) product. We stock a broad array of COTS mid wave infrared (MWIR), long wave infrared (LWIR) and broadband infrared zoom lenses,which we can customize and integrate to meet your specific needs.

Scroll down to see our full selection of stock infrared zoom lenses, or search by function using the guided search tool at right. If you need additional help selecting the right lens to fit your application or budget, just call us at (603) 889-2116, or use our contact form to send us an email. We're happy to help.

The World's 1st 29x Mid Wave IR Zoom:  15 - 435mm

Surprisingly lightweight and compact, Atalanta offers a 15-435mm focal range with 3-second end-to-end continuous zoom. Optional 2x and 2.5x extenders allow you to take the Atalanta to an astounding 1000mm in the mid wave IR.  Breathtaking thermal imagery.

f/5.5 

12.3 image diagonal

Matched to 640 x 512 15µm f/5.5 detectors

Atalanta can be customized and integrated to your specific system or application. Available only at IRZoom. Inquire for more details.

Another in the acclaimed Atalanta series, the 2 EX combines an astounding 30 - 870mm focal range with breathtaking image clarity within both wide and narrow fields of view.

f/5.5

Made in the USA by Computer Optics, Inc., parent company to IRZoom.

40mm - 1000mm MWIR Zoom:  Atalanta 2.5 EX

With an unprecidented focal range 40mm - 1000mm, the Atalanta 2.5 EX is the long-range infrared surveillance lens you've been waiting for.

Adjusted for maximum performance over a 12.3mm image diagonal, this MWIR Zoom offers crystal clear thermal imagery across the full span of its 29x zoom.

f/5.5

12.3 image diagonal

Matched to 640 x 512  15µm f/5.5 detectors

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

The Arinna short wave infrared (SWIR) lens offers extraordinary performance at 180mm. 

f/2.4. 

Made in the US by IRZoom, a division of Computer Optics, Inc.

ER-CIZ boasts an extraordinary 22x zoom in the mid wave IR.  On it's own, this MWIR lens offers a focal range of 15-330.  Add optional 2x and 2.5x extenders to take the focal range up to a remarkable 825mm.

3-second end-to-end zoom for quick transition from surveillance to acquisition.

f/4

12.3 image diagonal

Matched to the Pelican 640 x 512 array, customizable to other systems.

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

ER-CIZ from IRZoom offers mid wave infrared imagery from 30mm - 660mm.  The 3-second end-to-end continuous zoom makes it ideal for long-range surveillance with the ability to quickly transition to high detail. 

f/4

12.3 image diagonal

Matched to the Pelican 640 x 512 array, customizable to other systems.

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.  

New for 17µm pitch pixel cameras!

Ideal for search and rescue or surveillance, the compact long wave Mithras 17 was developed for the new 17µm pitch pixel cameras.  Its ability to see through smoke and fine particulate matter make this small lens ideal for fire, police and military operations.

f/1.25

13.6 image diagonal

Matched to the FLIR Tau 640  17-micron camera, customizable to other systems.

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

Ideal for search and rescue or surveillance, the compact LWIR Mithras 25 was developed for 25µm pixel cameras.   Its ability to see through smoke and fine particulate dust make this small lens ideal for fire, police and military operations.

f/1.25

Matched to the FLIR Tau 320

Available with custom-to-spec mount.

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

Introducing the Suiis, a tiny lens capable of delivering imagery from 1.5 to 5 microns.  With Sulis, there is no need to change lenses or cameras; the user selects the operational wavelength needed for the task at hand.  Image in SWIR, MWIR or both at the same time, with the flick of a switch.

f/4

Matched to the Photon HRC Camera

Custom mount available to spec

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

New for 17 micron pitch pixel cameras!

The compact Virotutis-S is meant for larger format long wave infrared (LWIR) cameras.   It is compatible with the newest 17µm pixel pitch cameras.  With a 20mm image diagonal and compact size, this two-position stepped IR zoom lens transitions between 33mm and 99mm withe a simple twist.

f/1.25

Matched to the Photon 640 camera

Custom mount available to spec

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

Introducing the Ruby, a highly compact continuous zoom lens with very big power.  The Ruby's small profile and impressive 16x zoom - ranging from 20mm to 320mm - make it ideally suited for situations where clear, long-range day/night vision and power are needed, but size or weight is a consideration.

f/5.5

Compact:  3.2' x 2.6' (80mm x 67mm)

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc. and available only at IRZoom.com.    Inquire for more details.

The Vida 4X mid-wave infrared (MWIR) zoom lens features COI's continuous IR zoom technology for fantastic performance at 50mm, 200mm and every focal length in between.

This lens offers continuous infrared zoom with the large format and high resolution demanded by the megapixel cameras of today.  The Vida 4X is matched to the SBFP AURA camera and the FLIR SC8000 and ready for use in your application.

Manufactured in the U.S. by Computer Optics, Inc.  The Vida 4X is available now. 

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. 

f/1.46

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

The rugged CIZ features 50 to 200 mm (4X) zoom technology and is continuous across the range.  This lens has been optimized for the mid-wave infrared.

The lens has a field of view of  5 degrees to 20 degrees and features optical compensation to perform the zoom lens. This form of compensation is inherently rugged as it removes the need for cam and cam followers and replaces them with a rigidly locked rail system.

Manufactured in the U.S. by Computer Optics, Inc.

The rugged CIZ Motorized features the same highly precise continuous 50 to 200 mm (4X) zoom technology as the CIZ Manual, but with motorized zoom capabilities.

The CIZ has a field of view of  5 degrees to 20 degrees and features optical compensation to perform the zoom. This form of compensation is inherently rugged as it removes the need for cam and cam followers and replaces themwith a rigidly locked rail system.  This lens is optimized for the mid-wave infrared.

Manufactured in the U.S. by Computer Optics, Inc.

This long wave infrared (LWIR) continuous zoom lens features COI's continuous IR zoom technology for fantastic performance at 25mm, 75mm and every focal length in between.

The Aldebaran 3x continuous zoom lens is matched to the DRS E3500 camera or FLIR Photon camera and is ready for use in your application.

Manufactured in the U.S. by Computer Optics, Inc.

One of our toughest lenses, the Vindonnus features COI's quick-flip IR zoom technology for fantastic performance at 100mm and 300mm focal lengths.  This lens comes with a motorization package and is meant for extremely rugged environments.  It has been optimized for the long-wave infrared.

The Vindonnus is matched to the DRS E6000 camera and the FLIR Photon.

Manufactured in the U.S. by Computer Optics, Inc.

A recent addition, the compact Virotutis is meant for the larger format long-wave infrared (LWIR) cameras.

With a whopping 21 mm diagonal and compact size, this 33-100 mm continuous f/1.0 lens is sure to offer both lightweight operation and smooth transition between fields of view.  Especially exciting is the attention paid to minimize the number of lenses so that the transmission through the lens (T#) is exceptionally high for a lens of this nature.

Available commercial off the shelf (COTS), this IR lens can be customized and integrated to your specific system or application.

Manufactured in the U.S. by Computer Optics, Inc.  Inquire for more details.