Changchun Zhongyou Precision Zoom Optics

SK70/60X-1200 VIS 20–1200 mm Motorized Zoom Lens — 70 mm Clear Aperture

70 mm clear-aperture series, 60× zoom, 1200 mm motorized zoom lens

Long-range high-ratio zoom for defense applications:60×1200mm zoom lens

Model Number:             SK70/60X-1200   

Focal Length Range:      f20mm - 1200mm

Image Format:      φ16mm

Maximum Resolution: 8 MP

Focus mode: Parfocal design

Dimensions:         L 337.2mm× W 110mm× H 115mm

Main features and advantages

Defense applications · Research applications · Lightweight · Compact · 4K resolution · 2K resolution · Broad spectrum · No color difference · Multispectral · Impact resistance · Parfocal design · High optical-axis consistency · Standardization · Product family standardization · Digital control · Support customization · Manufactured in China · Mature and reliable

I. Product Model

SK70/60X-1200   

II. Main Optical Specifications

Focal Length Range: f20–1200 mm

Zoom ratio: 60×

Image size: φ16mm (adapted to 1″ sensor)

Relative aperture: F8.7 (wide-angle end) – F17.6 (telephoto end)

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

III. Imaging performance indicators

Pixel definition: ≥4μm

Maximum resolution: 8 MP (based on 1″ image sensor format)

Optical-axis stability: ≥3 pixels (based on 4μm pixel pitch)

IV. Control system

Zoom mode: motorized zoom/preset zoom

Focus mode: motorized focus/auto focus/fixed focus

Back-focus adjustment: ±0.5 mm

Position feedback: magnetic encoder

Feedback accuracy: ±5%

Power supply: DC12V,<10W

V. Structural design

Mechanical interface: standard C-mount (custom interfaces available)

Overall dimensions: length 337.2mm× width 110mm× height 115mm

Overall machine weight: > 2.95kg (including drive mechanism)

VI. Environmental Specifications

Shock resistance: GJB150.18A-2009

Vibration resistance: GJB150.16A-2009

Operating temperature: -45°C – +60°C

VII. Optional Functions

Filter system: motorized 2/3/4-position switching

Control interface: RS422

Technical support: Dong You Telephone/WeChat 13331697285 Email: xianglongduan1998@gmail.com   

Data Release Date: July 1, 2026