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BBC–58 Collimator

High-Precision LWIR Collimator for Infrared Testing: Compact refractive collimator designed for infinity-focus testing and resolution evaluation of infrared cameras up to 58 mm aperture.

The BBC-58 is a compact LWIR collimator designed for 7–14 µm infrared system testing, enabling accurate infinity-focus and resolution measurement of cameras and optics up to 58 mm aperture. Built with AR-coated germanium optics and a refractive design, it integrates with MRTD-50 systems for MRΔT bar target projection and laboratory-grade infrared performance evaluation.

BBC-58 Collimator Technical Specifications
Spectral Range
7 – 14 µm (LWIR)
Lens Material
AR-coated Germanium
Focal Length
75 mm
Aperture Capacity
Up to 58 mm diameter
Optical Type
Refractive collimator
Focus Mode
Infinity focus testing
Test Type
MRΔT (Minimum Resolvable Temperature Difference)
Resolution Metric
Angular frequency (cycles/mrad)
Target Projection
Bar target projection system
Compatible System
MRTD-50 Differential Blackbody
Application
IR optics & camera testing
Use Case
Laboratory LWIR system evaluation
Resolution Testing
Up to high-frequency bar target discrimination
Calibration Support
Infrared system resolution characterization
Custom Options
Custom target frequency configurations available
Design Advantage
Compact refractive optical architecture
Integration Type
Attachment collimator for blackbody systems
Additional Features
High-precision IR projection, lab-grade stability, supports comparative camera performance testing

Specifications:

High-Precision Optical Collimation: Refractive LWIR collimator designed for accurate infinity-focus testing and resolution evaluation of infrared cameras and optics up to 58 mm aperture.

Wide Spectral Compatibility: AR-coated germanium optics optimized for 7–14 µm operation, enabling high-performance testing of LWIR imaging systems.

Large Aperture Capability: Supports optical systems up to 58 mm diameter, allowing full-field laboratory evaluation of large-format infrared sensors.

Compact Refractive Design: Space-efficient refractive architecture provides a stable, laboratory-grade collimation solution for IR system characterization.

Blackbody Calculator

Our Blackbody Calculator by Bodkin Design makes IR calibration simple and precise. Designed for thermal measurement professionals, this tool helps calculate accurate blackbody settings for a wide range of infrared applications, ensuring reliable and consistent results every time.

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