SK40/20-120SWIR SWIR 6–120 mm Motorized Zoom Lens — 40 mm Clear Aperture

 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: f6–120 mm

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: 0.5 MP (based on 1/4″ image sensor format)

Optical-axis stability: ≥3 pixels (based on 4μm pixel pitch)

IV. Control system

Zoom mode: motorized zoom/preset zoom

Focus mode: fixed focus

Back-focus adjustment: ±0.5 mm

Position feedback: magnetic encoder

Feedback accuracy: ±5%

Power supply: DC12V,＜10W

V. Structural design

Mechanical interface: standard C-mount (custom interfaces available)

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

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

VI. Environmental Specifications

Shock resistance: GJB150.18A-2009

Vibration resistance: GJB150.16A-2009

Operating temperature: -45°C – +60°C

VII. Optional Functions

Filter system: motorized 2/3/4-position switching

Control interface: RS422

Technical support: Dong You Telephone/WeChat 13331697285 Email: xianglongduan1998@gmail.com     

Data Release Date: July 1, 2026