Lenses Detection, Recognition & Identification (DRI) Performance

Experience unparalleled detection, recognition, and identification (DRI) capabilities with MKS Ophir's IR zoom lenses and single FOV lenses. Crafted to deliver high-performance imagery throughout the entire zoom range, with MTF performance nearing the diffraction limit.

Ideal for a diverse array of applications including commercial, surveillance, defense, and homeland security, our lenses offer uncompromising performance, precision, and reliability. Available in various FPA formats, including High Definition XGA and SXGA, they provide unparalleled versatility to meet your system's specific needs.

Backed by decades of expertise and a proven track record of delivering thousands of lenses for LWIR, MWIR, and SWIR applications, Ophir stands as a global leader in long-range and low-SWaP zoom lens technology.



Note: Calculations used are based on “Johnson Criteria” | Real world performance may vary depending on the weather conditions

* Assumptions: 23mK NETD (f/4 & f/5.5) for MWIR cooled detectors | 35.5mK NETD (f/3.4) | 32mK NETD (f/3.6) | 50mK NETD (f/1.0) for LWIR uncooled detectors | 30Hz frame rate | 50% detection probability | 0.2km-1 atmospheric attenuation coefficient | human ΔT = 5°C | vehicle ΔT = 2°C

** SWIR assumptions: 1280 detector | TRM4 model | Day mode | 0.7μm to 1.7μm spectral range | 25Hz frame rate | Overcast daylight irradiance | 0.2 path radiance factor | 0.2km-1 atmospheric attenuation coefficient | 50% detection probability | Human and vehicle target 50% reflectivity | 15% background reflectivity

LWIR Uncooled 1-FOV DRIs

LWIR Uncooled
35mm f/1.2 680111-003
40mm f/1.0 680395
50mm f/1.2 680114
55mm f/1.0 680372
60mm f/1.25 680260
65mm f/1.25 680061
73.1mm f/1.05 680311
75mm f/1.0 680274
75mm f/1.2 680318
100mm f/1.6 680121
30-100mm f/1.6 680026

* Assumptions: 50mK NETD (f/1.0) for LWIR uncooled detectors | 30Hz frame rate | 50% detection probability | 0.2km-1 atmospheric attenuation coefficient | human ΔT = 5°C | vehicle ΔT = 2°C

Drone Target DRIs

LWIR Uncooled F/1.5 for 12µm SXGA Detectors*
25-225mm f/1.5 680157
40-300mm f/1.5 680264
MWIR Cooled F/4 for 10µm SXGA Detectors*
21-420mm f/4.0 680160
30-450mm f/3.4 680465
30-600mm f/4.0 680384/5
35-690mm f/4.0 680294/5
45-900mm f/4.0 680425/6
60-1200mm f/4.0 680475/6

* Assumptions: NETD LWIR f/1.5 50mK | NETD MWIR (f/4, f/5.5) 23mK | 2°C target ∆T | 30Hz frame rate | 0.2km-1 atmospheric attenuation coefficient | 50% detection probability

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