Changchun Zhongyou Precision Zoom Optics

 Short-wave infrared military lightweight:30×500mm zoom lens

Model: SK50/30X-500SWIR   

suitable Equipped with sensor:IMX991   IMX990

Spectral transmission range:400nm-1700nm

Focal Length Range: f16.7mm - 500mm

Image Format: φ14.8mm

Maximum resolution:200 × ten thousand pixels

Unique focus mode: Fixed Focus

outside   shape  ruler  Size: L 206.8mm× W  93mm× H  91mm

Product details

Fixed focus Changchun Zhongyou Technology Co., Ltd. short-wave infrared: 50 millimeter diameter series 30× zoom 500 millimeter motorized zoom lens technical specifications

I. Product Model

SK50/30X-500SWIR

II. Main Optical Specifications

Focal Length Range: f16.7mm – 500mm

Zoom ratio: 30×

Image size: φ14.8mm (adapted to 1/1.1″ sensor)

Relative aperture: F5.9 (wide-angle end) – F10.7 (telephoto end)

Spectral transmission range: 400nm-1700nm

III. Imaging performance indicators

Pixel definition: ≥5μm

Maximum resolution: 200 × ten thousand pixels (based on 1/1.1″ 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)

Dimensions: length 206.8mm×width 93mm×height 91mm

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