Changchun Zhongyou Precision Zoom Optics

Short-wave infrared minimal lightweight::20×600mm zoom lens

Model: SK40/30-600SWIR   

Adaptation sensor:IMX991 IMX990

Spectral transmission range:400nm-1700nm

Focal Length Range: f30mm - 600mm

Image Format: φ20.2mm

Maximum resolution:1200 × ten thousand pixels

Unique focus mode: Fixed Focus

Dimensions:  long204mm× W  80mm× H  80mm

Product details

 Changchun Zhongyou Technology Co., Ltd. short-wave infrared: 50 millimeter diameter series 30× zoom 600 millimeter motorized zoom lens technical specifications

I. Product Model

SK50/30X-600SWIR

II. Main Optical Specifications

Focal Length Range: f30mm – 600mm

Zoom ratio: 30×

Image size: φ18mm (adapted to 1.1″ sensor)

Relative aperture: F7 (wide-angle end) – F12.8 (telephoto end)

Spectral transmission range: 400nm-1700nm

III. Imaging performance indicators

Pixel definition: ≥5μm

Maximum resolution: 200 × ten thousand pixels (based on 1.1″ image sensor format)

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

IV. Control system

Zoom mode: motorized zoom/preset zoom

Focus mode: motorized focus/auto focus/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 204mm× width 80mm× height 80mm

Overall machine weight: > 1.25kg (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