Changchun Zhongyou Precision Zoom Optics

50mm diameter series30× zoom420mm motorized zoom lens

Military lightweight:30×420mm zoom lens

type             Number:SK50/30X-420   

focus  distance  fan  Circumference:f14mm - 420mm

like  noodles  ruler  Size:φ12.5mm

most Big Distinguish Rate:800 × ten thousand pixels

Unique focus mode: Fixed Focus

outside   shape  ruler  Size: L 203mm× W 93mm× H 91mm

 Changchun Zhongyou Technology Co., Ltd. 50 millimeter diameter series 30× zoom 420 millimeter motorized zoom lens technical specifications

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

SK50/30-420   

II. Main Optical Specifications

Focal Length Range: f14mm – 420mm

Zoom ratio: 30×

Image size: φ12.5mm (adapted to 1/1.3″ sensor)

Relative aperture: F5 (wide-angle end) – F9 (telephoto end)

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

III. Imaging performance indicators

Pixel definition: ≥2.1μm

Maximum resolution: 800 × ten thousand pixels (based on 1/1.3″ 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 203mm× 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: Tel 13331697285 Email312282332@qq.com     Contact person: Dong You

Data Release Date: July 1, 2026