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MWIR Lenses

  • Introduction

MWIR lens design

Hyperion Optics hold sophisticated algorithm for optics design optimization process back-up by powerful workstations. The unique optimization allows reduced complexity in the optical element/system spec, which finally will insure the manufacturing feasibility. It also allows higher yields with almost no performance degradation. In addition, Hyperion Optics has extensive experience in mechanical and Opto-Mechanical design which includes tolerance, thermal and stray light analysis.

With the great assistance of our IR components manufacturing capability, we are confident to provide our customer the most affordable design solution without performance compromise. Please refer to our IR components fabrication capability (IR components link here) for further information. We provide 6 weeks typical prototyping lead time for custom MWIR lens design, including assembly and testing, Trioptics MTF chart provided. For complicated asphere/DOE involved system, please contact our optical engineer to discuss your specification for helpful and informative consultation section.

 off-the-shelf Mid-wave (MWIR) lenses

Hyperion Optics off-the-shelf Mid-wave (MWIR) lenses feature cooled technology, which offers very high sensitivity and better transmission. We have our standard design but we also offer customized design to meet our customer needs. These lenses include EFL from 9.05mm to 100mm and function in the wavelengths of 2 - 5μm and 3 - 5μm. The F number is 2. The lenses also cover various detector sizes from 15.36x12.29 to 320x240 pixels. The front lens is coated with Hard Diamond coating and mounted with aluminum mounts.

Off-The-Shelf MWIR Lenses

Off-The-Shelf MWIR Lenses

Opto-Mechanical Property Specification
Focal Length 9.05 mm 32.4 mm 20 mm 25 mm 50 mm 100 mm
F# 0.7 1.0 2.0 2.0 2.0 2.0
Wavelength 3 μm - 5 μm 3 μm - 6 μm 2 μm - 5 μm 2 μm - 5 μm 2 μm - 5 μm 3 μm - 5 μm
Image Diagonal 4.5 mm - 12.3 mm 12.3 mm 12.3 mm 12 mm
Average Transmission > 90% > 85% > 85% > 90% > 90% > 80%
Circular FOV 20º 2.5º 34.19º 27.64º 27.64º 6.87º
Back Focus Distance - - 35.6 mm 45.01 mm 43.06 mm 45.14 mm
Back Working Distance 5 mm 10 mm 32.98 mm 37.01 mm 36.56 mm 40.64 mm
Dimension Length 14.2 mm, Φ26 mm Length 62.73 mm, Φ60 mm Length 50 mm, Φ48 mm Length 54.5 mm, Φ69 mm Length 55 mm, Φ70 mm Length 62.73 mm, Φ60 mm
Focus Type Fixed Focus Fixed Focus Manual Focus Manual Focus Manual Focus Manual Focus
Focus Range - - - - - 2mto infinity
Mount Type M26 * 0.75 M41 * 0.75 M40 * 0.75 M55 * 0.75 M55 * 0.75 M48 * 0.75
Detector 32*32 pixels, 100 μm - 640*512 pixels, 15μm 640*512 pixels, 15μm 640*512 pixels, 15μm 320*240 pixels, 30 μm
Operating Temperature - 30℃ to + 60℃
Storage Temperature - 40℃ to + 80℃
External Coating AR DLC AR DLC
Humidity 100% RH at 26℃ and 74% RH at 35℃ for 24 hours


The IR lens adopted the advanced technologies such as the latest optical design methods, special optical glass materials and special ferry films and materials, eliminating the focal plane deviation of visible light and infrared light.

The MWIR lens uses special optical glass materials as well as special ferry films and materials. The special optical glass material solves the problem of infrared corresponding clear imaging so that the light from the visible region to the infrared region can be obtained in the same focal plane position to achieve a clear image. Special crossing technology allows the infrared light to penetrate as far as possible. The multi-layer coating can also minimize the occurrence of ghost and flash in the backlight condition, and the high contrast quality can be obtained even under the bad conditions such as backlighting.

The application of MWIR lens:

IR lens has a wide range of applications, which can be used as infrared for a special purpose or as a normal lens. In other words, the MWIR lens can be used with the regular color camera, black and white camera and the day and night conversion camera. Black and white cameras have no infrared cut-off, but the spectrum of sunlight also contains infrared light, so even in daylight, the image of a black-and-white camera is subject to infra-red interference. Therefore, the MWIR lens can effectively improve the image quality.

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Corporate Info


  • TEL:+86-25-83307137
  • FAX:+86-25-86626312
  • EMAILrfq@hypoptics.com
  • ADDRESS:DanYang Industrial Zone Danjie Road #100, Danyang,China
    BaoXiang Road#6, Nanjing,China