CMITECH BMT-20™ Binoculars Type Dual Iris Recognition Enrollment System

CMITECH BMT-20™ Binoculars Type Dual Iris Recognition Enrollment System


  • Seamless data transfer to the Card Encoding Engine™
  • Single sensor design
  • Dedicated, on-board image processor supports very high speed, simultaneous capture of subject’s irises
  • Wide inter-pupillary distance tolerance
  • Motion detection


The CMITECH BMT-20 is a high performance dual iris scanner capable of capturing each iris simultaneously. The camera is designed for handheld, high speed enrollment systems and rugged field applications, such as border control, military identification, law enforcement, and alien ID programs. The integrated visor reduces ambient light interference and provides obvious self-alignment toward the camera. CMITECH BMT-20 features multi wavelength infra-red illumination, ISO/IEC 19794-6 compliant images and LiveEye anti-Spoof detection software.

Designed for Rapid Image Acquisition and High Security Applications

Instant Identification Applications

  • Border Control
  • Law Enforcement
  • Military Identification
  • Government Facility ID
  • Resident Alien ID
  • National Identity Programs
  • Enrollment of non-acclimated subjects including children to 5 years of age
  • Lightweight and robust with IP64 rating
  • Powered from USB 2.0 connection
  • Usable in bright sunlight conditions

The BMT-20 is a binoculars-type, simultaneous dual iris capture system intended for enrollment applications, especially very large scale programs, in which subjects are presumed to have no prior experience in providing iris biometrics samples. Developed for and proven in the highly demanding India UID program, the BMT-20 offers the fastest capture speeds, superior usability, minimal failure-to-captures rates and outstanding image quality.

Most importantly, the instructions are easy to communicate, resulting in a simple experience for operator and subject alike. The user is simply directed to raise the BMT-20 to his or her eyes as if they were binoculars, touching the forehead bar to the subject just above the eye brows. Once the device is in position, they are asked to center their eyes in the internal mirror while keeping them wide open their eyes. The system does all the work of finding the irises and capturing pristine iris biometrics samples. The BMT-20 is extremely efficient: once the subject’s eyes are centered, the iris images are captured in 1.0 second or less.

The BMT-20 features the largest depth of capture of any binoculars type camera on the market. This capture range, a full 30 mm, covers the range in the position of the iris relative to the forehead of the entire population of adults and children down to 5 years old. This means that all irises are within the focus capture zone when the BMT-20 is touching the forehead. By eliminating the need to reposition the eyes during exposure, the system is consistently fast and highly robust for large scale programs. It also offers the largest interpupillary distance range of any device on the market of 40 to 90 mm, enabling image capture on children, again as young as 5 years of age.

The BMT-20 meets the stringent requirements for IP64, which means the device is highly resistant to contamination from the smallest of airborne particles such as dust and dirt. The system also includes an internal white LED that serves to constrict subject’s pupil diameters to a consistent level, thereby improving the quality of the enrollment image even in low light ambient environments.


  • ISO/IEC 19794-6 and VGA compliant images
  • LiveEye Anti-Spoof Detection to verify presence of living organic tissue
  • Multimodal operating system support
  • Tri-color RGB LED indicators for easy, auto-acquisition
  • Meets International Eye Safety Requirements
  • Integrated side visor for reliable and accurate images
  • High resolution optics and image sensor
  • Full-featured and proven SDK for quick and easy integration with custom applications
  • Compact and lightweight for easy mobility
  • Easy mounting to tripods with integrated tripod mount
  • Supported by CLX Enroll Biometrics
  • Idblox™ certified


CMITECH BMT-20 Binoculars Type Dual Iris Imager for Enrollment
Device Name
  • BMT-20
  • CardLogix
  • Standard USB 2.0 High Speed
  • Supplied via USB (5V @ 500ma)
Operating Temperature
  • 0°C to +50°C
Storage Temperature
  • -10°C to +65°C
  • 10-90% non-condensing.
  • 219 x 161 x 58 mm (8.6 x 6.3 x 2.3 inches)
  • 680 g (1.5 lbs)
PC Hardware requirements
  • PC/xX86 platform: Intel® Atom™ or above processor ARM: Cortex A9 quad core processor
Supported Operating Systems
  • Windows 7, 8, 8.1 and 10, both 32 and 64 bit versions Linux Ubuntu 12.04, 14.04 and 16.04 LTS Android 4.0 and above
  • Handheld or Tripod feature
Iris Capture
  • Auto Dual Iris Capture
  • 18.4 to 20 pixels/mm , 640 x 480 resolution, L/R Iris Images
  • ISO/IEC 19794-6 compliant
  • Dual LED: wavelengths of 850 nm nominal (~ 60%); and 750 nm nominal (~ 40%)
Time of Capture
  • Typically around 0.5 second, from time of head placement
Positioning Alignment
  • Integrated Side panelts to maintain consistent alignment
  • CE , FCC, USB-IF, India STQC, RoHS, WHQL IEC62471, PI64, idblox™
Supported Software

Documentation / Video

Video example in India



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