Main features and advantages

Military use · Scientific research · Lightweight · Compact · 1200 × ten-thousand-pixel resolution · 4K definition · 2K definition · Broad spectrum · No chromatic aberration · Multispectral · Impact resistance · Accurate focus CDFS · High coaxiality · Standardization · Serialization · Dataization · Support customization · Nationally produced, mature and reliable

I. Product Model

SK40/20-600NIR   

II. Main Optical Specifications

Focal Length Range: f30mm – 600mm

Zoom ratio: 20×

Image size: φ20.2mm (adapted to 1.2″ sensor)

Relative aperture: F8.6 (wide-angle end) – F16.2 (telephoto end)

Spectral transmission peak: 700nm-1100nm

III. Imaging performance indicators

Pixel definition: ≥3.75μm

Maximum resolution: 1200 × ten thousand pixels (based on 1.2″ 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: ±4 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: > 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