Lenses for Long-Wave Infrared (LWIR) Cameras for 8-14 µm

LWIR Zoom Lens Assemblies

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Teledyne FLIR custom and off-the-shelf long-wave infrared (LWIR) continuous zoom (CZ) optical assemblies and lenses are for integrators and operators who do not compromise on quality. All lens assemblies have near diffraction limited performance and include advanced features that ensure continuous focus through the zoom.

Formerly New England Optical Systems (NEOS) and now part of Teledyne FLIR, the world-class technical services team provides product support and can also develop new or customize existing lens assemblies for a camera, application, and mission. Designed to maximize infrared-camera performance, the LWIR CZ lens assemblies provide the competitive advantages required in the field and marketspace for a wide range of defense, security, and commercial applications.

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Technical Support Center

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Uncompromised Performance and Reliability
Designs have near diffraction limited performance through zoom enabling users to Detect, Recognize, and Identify (DRI) threats in real time.
Smart Optics Ensure Continuous Focus
Control electronics and additional features go beyond simple focus and zoom to provide focus when and where you need it.
Custom Designs and Support for the Mission
Teledyne FLIR technical services team can develop new or customize existing zoom lens assemblies for a camera, application, and mission.

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When developing a solution that requires a thermal imager, or infrared (IR) camera, engineers, procurement agents, and program managers must consider many factors. Application, waveband, minimum resolution, pixel size, protective housing, and ability to scale production are just a few. One element that will impact many of these decisions is the IR camera lens.

Reduce Development Time by Two Years

This paper reviews the traditional challenges of MWIR imaging platform design and illustrates how leveraging a single solution provider can reduce time to market, complexity, and affordability while also improving size, weight, and performance (SWaP).

Specifications

Thermal Spectral Range: 7.5- 14.0 µm

Performance

Thermal Spectral Range: 7.5- 14.0 µm

Imaging & Optical

Back Working Distance: 1.98mm (camera seats in lens body)

Distortion: WFOV < 5%; NFOV < 1%

f-number: 1.2

Focal Length: 14 - 75 mm

Focal Plane Dimension: 7.68 x 6.14 mm (9.83 mm circular)

Through Zoom Boresight: ≤ 0.10 mm

Time to Focus: < 1 sec (infinity to close focus in NFOV)

Zoom Time (End to End): NFOV to WFOV ≤2.5 sec

Connections & Communications

Communication Protocol: RS422, 115200 baud (default), Option: RS232 and programmable baud rate

Transmission: > 86% (8.0 - 12.0 µm with HEAR); spectrally weighted

Electrical

Current Consumption: Standby < 0.2 A (20°C)
Power UP < 0.7 A (20°C)
Typical Move < 0.4 A (20°C)

Mechanical

Control Features: Thermal Gradient Compensation
Object Range Compensation
ID Module
Built-In Test (BIT)
Data Logging Module (optional)
High Speed Communication - SPI (optional)
User Defined Command Aliases
Easily Upgradable and Expandable

Drive Voltage: 12 VDC

Focus/Zoom Mechanism: Motorized adjustable

Size (L x W x H): 87.7 x 74.9 mm

Weight: < 326 grams

Environmental & Approvals

Front Optic Sealing: IP67

Operating Temperature Range: -32°C to +80°C

Shock: 30 G

Storage Temperature Range: -54°C to +85°C

Vibration: Random vibration, from 10 Hz to 500 Hz

Related Content

Related Documents

LWIR Zoom Lens Assemblies Datasheet

Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

LWIR Zoom Lens Assemblies