Changchun Zhongyou Precision Zoom Optics

 50mm diameter series30× zoom240mm motorized zoom lens

Military lightweight:30×240mm zoom lens

type             Number:SK50/30X-240   

focus  distance  fan  Circumference:f8mm - 240mm

like  noodles  ruler  Size:φ7.1mm

most Big Distinguish Rate:800 × ten thousand pixels

Unique focus mode: Fixed Focus

outside   shape  ruler  Size: L 179mm× W 93mm× H 91mm

Main features and advantages

Military use · Scientific research · Lightweight · Compact · 4K resolution · 2K resolution · Broad spectrum · No color difference · Multispectral · Impact resistance · Fixed Focus · High coaxiality · Standardization · Serialization · Dataization · Support customization · Nationwide production · Mature and reliable

I. Product Model

SK50/30-240   

II. Main Optical Specifications

Focal Length Range: f8mm – 240mm

Zoom ratio: 30×

Image size: φ7.1mm (adapted to 1/2.6″ sensor)

Relative aperture: F2.8 (wide-angle end) – F5.1 (telephoto end)

Spectral response: 400nm – 1100nm (visible light-near-infrared spectrum band)

III. Imaging performance indicators

Pixel definition: ≥1.35μm

Maximum resolution: 800 × ten thousand pixels (based on 1/2.6″ 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:  L 179mm× W 93mm× H 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