Changchun Zhongyou Technology Co., Ltd. Short-wave infrared: 40 millimeter diameter series 20× zoom 120 millimeter motorized zoom lens technical specifications

I. Product Model

SK40/20-120 SWIR

II. Main Optical Specifications

Focal Length Range: f6mm – 120mm

Zoom ratio: 20×

Image size: φ4.1mm (adapted to 1/4″ sensor)

Relative aperture: F1.8 (wide-angle end) – F3.5 (telephoto end)

Spectral transmission range: 400nm-1700nm

III. Imaging performance indicators

Pixel definition: ≥5μm

Maximum resolution: 50 × ten thousand pixels (based on 1/4″ image sensor format)

Optical axis stability: ≥3 pixels (calculated according to 4μm pixels)

IV. Control system

Zoom mode: motorized zoom/preset zoom

Focus mode: fixed focus

Back focus adjustment function: ±0.5 mm precision adjustment

Numerical feedback mode: magnetically encoded numerical feedback

Feedback accuracy: ±5%

Power supply: DC12V,＜10W

V. Structural design

Mechanical interface: standard C interface (supports customized interface)

Overall dimensions: length 177mm× width 80mm× height 80mm

Overall machine weight: > 0.95kg (including drive mechanism)

VI. Environmental Specifications

Impact resistance standard: GJB150.18A – 2009 standard

Anti-vibration standard: GJB150.16A-2009 standard

Operating temperature: -45°C – +60°C

VII. Optional Functions

Filter system: 2/3/4 filter switching (electric drive)

Data communication interface: controlled by RS422 protocol

Technical support: Dong You Telephone/WeChat 13331697285 E-mail:312282332@qq.com     

Data Release Date: July 1, 2026